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Ouellette RR, Morean ME, Lee J, Kong G. Use of ENDS devices and modifications to vape cannabis among adolescents and young adults who also vape nicotine. Addict Behav 2024; 157:108099. [PMID: 39003977 DOI: 10.1016/j.addbeh.2024.108099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 06/03/2024] [Accepted: 06/29/2024] [Indexed: 07/16/2024]
Abstract
BACKGROUND Electronic nicotine delivery systems (ENDS) are the most used tobacco product among adolescents and young adults (AYAs) and are increasingly used to vape cannabis. It is unclear what vaping devices and ENDS modifications are used most frequently by AYAs who vape both nicotine and cannabis. METHODS AYAs (aged 14-29) reporting ENDS use in the past 30 days were recruited via Qualtrics (N = 1,011). We conducted three multivariable logistic regression models examining differences in likelihood of: 1) vaping cannabis in the past 30 days; 2) mixing cannabis and nicotine liquids; and 3) using nicotine devices to vape cannabis; based on type of vaping device used most often, controlling for age, socio-economic status, gender, race, frequency of ENDS use, and other cannabis use. RESULTS 40 % (n = 405) of AYAs reported vaping both nicotine and cannabis in the past 30 days. AYAs who used vape pens most often were more likely to have vaped cannabis concentrates in the past 30 days compared to individuals using disposable vapes (aOR = 2.72, 95 %CI = 1.75-4.21, p < 0.001). AYAs who used open systems most often (i.e., vape pens, mods, or e-hookah) were more likely than individuals using closed systems (i.e., disposable vapes, rechargeable pods or cigalikes) to combine nicotine and cannabis e-liquids (aOR = 2.03, 95 %CI = 1.43-2.89, p < 0.001) or use a nicotine device to vape cannabis (aOR = 1.66, 95 %CI = 1.17-2.34, p = 0.005). IMPLICATIONS Co-use of cannabis and nicotine via similar devices, particularly vape pens and other open-systems, warrants collaborative regulatory efforts to mitigate co-use of both substances, with a particular need for increased regulation of cannabis vaping products.
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Affiliation(s)
- Rachel R Ouellette
- Department of Psychiatry, Yale School of Medicine, New Haven, CT, United States.
| | - Meghan E Morean
- Department of Psychiatry, Yale School of Medicine, New Haven, CT, United States
| | - Juhan Lee
- Department of Psychiatry, Yale School of Medicine, New Haven, CT, United States
| | - Grace Kong
- Department of Psychiatry, Yale School of Medicine, New Haven, CT, United States
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Kelley LK, Lightfoot SHM, Hill MN, Middleton JW, Gilpin NW. THC Vapor Inhalation Attenuates Hyperalgesia in Rats Using a Chronic Inflammatory Pain Model. THE JOURNAL OF PAIN 2024:104649. [PMID: 39121915 DOI: 10.1016/j.jpain.2024.104649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2024] [Revised: 08/01/2024] [Accepted: 08/03/2024] [Indexed: 08/12/2024]
Abstract
Humans use cannabinoid drugs to alleviate pain. As cannabis and cannabinoids are legalized in the United States for medicinal and recreational use, it has become critical to determine the potential utilities and harms of cannabinoid drugs in individuals living with chronic pain. Here, we tested the effects of repeated ∆9-tetrahydrocannabinol (THC) vapor inhalation on thermal nociception and mechanical sensitivity, in adult male and female Wistar rats using a chronic inflammatory pain model (ie, treated with complete Freund's adjuvant [CFA]). We report that repeated THC vapor inhalation rescues thermal hyperalgesia in males and females treated with CFA and also reduces mechanical hypersensitivity in CFA males but not females. Many of the antihyperalgesic effects of chronic THC vapor were still observable 24 hours after cessation of the last THC exposure. We also report plasma levels of THC and its major metabolites, some of which are cannabinoid type-1 receptor agonists, after the first and tenth days of THC vapor inhalation. Finally, we report that systemic administration of the cannabinoid type-1 receptor inverse agonist AM251 (1 mg/kg, I.P.) blocks the antihyperalgesic effects of THC vapor in males and females. These data provide a foundation for future work that will explore the cells and circuits underlying the antihyperalgesic effects of THC vapor inhalation in individuals with chronic inflammatory pain. PERSPECTIVE: Cannabinoids are thought to have potential utility in the treatment of chronic pain, but few animal studies have tested the effects of chronic THC or cannabis in animal models of chronic pain. We tested the effects of repeated THC vapor inhalation on chronic pain-related outcomes in male and female animals.
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Affiliation(s)
- Leslie K Kelley
- Department of Physiology, Louisiana State University Health Sciences Center, New Orleans, Louisiana; Alcohol and Drug of Abuse Center of Excellence, LSUHSC, New Orleans, Louisiana
| | - Savannah H M Lightfoot
- Departments of Cell Biology and Anatomy and Psychiatry, Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada
| | - Matthew N Hill
- Departments of Cell Biology and Anatomy and Psychiatry, Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada
| | - Jason W Middleton
- Alcohol and Drug of Abuse Center of Excellence, LSUHSC, New Orleans, Louisiana; Neuroscience Center of Excellence, Louisiana State University Health Science Center, New Orleans, Louisiana; Southeast Louisiana VA Healthcare System, New Orleans, Louisiana
| | - Nicholas W Gilpin
- Department of Physiology, Louisiana State University Health Sciences Center, New Orleans, Louisiana; Alcohol and Drug of Abuse Center of Excellence, LSUHSC, New Orleans, Louisiana; Neuroscience Center of Excellence, Louisiana State University Health Science Center, New Orleans, Louisiana; Southeast Louisiana VA Healthcare System, New Orleans, Louisiana.
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3
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Kong G, Lee J, Ouellette RR, Morean ME. Modification of Electronic Nicotine Delivery Systems Among Adolescents and Young Adults. Pediatrics 2024; 154:e2023063984. [PMID: 38881359 PMCID: PMC11211691 DOI: 10.1542/peds.2023-063984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 03/28/2024] [Accepted: 04/08/2024] [Indexed: 06/18/2024] Open
Abstract
OBJECTIVES We assessed awareness and perceptions of, information sources about, and engagement in modifying electronic nicotine delivery systems (ENDS) among adolescents and young adults (AYAs). METHODS AYAs (N = 1018) endorsing past-month ENDS use completed a survey on awareness and use of the following modifications: (1) refilling rechargeable cartridges/pods or (2) disposable pods, (3) rewicking or (4) recharging disposable pods, (5) modifying nicotine e-liquids (eg, changing propylene glycol/vegetable glycerin, nicotine), (6) combining nicotine and cannabis for simultaneous vaping, and (7) putting cannabis in ENDS designed for nicotine vaping. Logistic regression assessed how sources of information (eg, friends, social media, nonsocial media Web sites, vape shops) about and perceptions of ENDS modifications associated with ENDS modifications. RESULTS Refilling (69.0% heard, 40.1% tried) and recharging the battery (66.4% heard, 35.8% tried) of disposable pods were most common. Friends (64.4%) and social media (46.7%) were the most common sources of information. Notable significant associations between information sources and modifications were: 1. nonsocial media Web sites and vape shops with rewicking and recharging disposable devices and modifying nicotine e-liquid; 2. nonsocial media Web sites with refilling rechargeable cartridges/pods and disposable pods; and 3. social media with recharging disposable devices and mixing nicotine and cannabis liquids. Perceptions of reduced harm and "coolness" were associated with various modifications. DISCUSSION AYAs are aware of and modify ENDS for purposes unintended by manufacturers. ENDS policies should consider unintended ENDS use to safeguard public health. Prevention efforts should communicate about the potential harms of ENDS modifications.
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Affiliation(s)
- Grace Kong
- Department of Psychiatry, Yale School of Medicine, New Haven, Connecticut
| | - Juhan Lee
- Department of Psychiatry, Yale School of Medicine, New Haven, Connecticut
| | | | - Meghan E. Morean
- Department of Psychiatry, Yale School of Medicine, New Haven, Connecticut
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Cuomo RE, Purushothaman VL, Mackey TK, Yang JW. Rates of adverse events and related risk factors following e-cigarette use. J Public Health (Oxf) 2024; 46:e230-e239. [PMID: 38282109 DOI: 10.1093/pubmed/fdad281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 11/21/2023] [Accepted: 12/12/2023] [Indexed: 01/30/2024] Open
Abstract
BACKGROUND E-cigarettes have emerged as popular products, especially for younger populations. However, concerns regarding health effects exist and there is a notable gap in understanding the prevalence and nature of adverse events. This study aims to examine the rate of adverse events in individuals who use e-cigarettes in a large sample. METHODS A cross-sectional survey was conducted with a sample of 4695 current and former e-cigarette users with a median age of 34 years. The survey collected data on e-cigarette use, adverse events experienced, product characteristics, related behaviors, sociodemographic factors and presence of medical comorbidities. Statistical analyses were conducted using Pearson's chi-squared tests and logistic regression. RESULTS A total of 78.9% of respondents reported experiencing an adverse event within 6 h of using a vaping device, with the most common events being headache, anxiety and coughing. Product characteristics and related behaviors significantly influenced the risk of adverse events. There were also sociodemographic disparities, with Hispanic respondents and those with at least college-level education reporting higher rates of adverse events. CONCLUSIONS Our study found a high rate of adverse events among e-cigarette users. We identified that certain e-cigarette product characteristics, behaviors and medical comorbidities significantly increased the risk of these events.
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Affiliation(s)
- Raphael E Cuomo
- School of Medicine, University of California, San Diego, San Diego, CA 92093, USA
| | | | - Tim K Mackey
- San Diego Supercomputer Center, San Diego, CA 92093, USA
| | - Joshua W Yang
- Department of Public Health, California State University, Fullerton, CA 92831, USA
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Kallurkar A, Kaye AD, Shekoohi S. Marijuana Use, Vaping, and Preoperative Anesthetic and Surgical Considerations in Clinical Practice. Anesthesiol Clin 2024; 42:53-63. [PMID: 38278592 DOI: 10.1016/j.anclin.2023.09.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2024]
Abstract
In recent years, marijuana and vaping have acquired widespread popularity, with millions of people using them for a variety of reasons, including recreational purposes. However, these practices have often overlooked the implications on surgery and the preoperative anesthesia considerations. Marijuana can influence a patient's response to anesthesia, alter postoperative pain management, and increase the risk of complications, whereas vaping can have negative effects on the respiratory system and hinder the body's ability to recover after surgery.
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Affiliation(s)
- Anusha Kallurkar
- Department of Anesthesiology, Louisiana State University Health Sciences Center Shreveport, 1501 Kings Highway, Shreveport, LA 71103, USA
| | - Alan D Kaye
- Department of Anesthesiology, Louisiana State University Health Sciences Center Shreveport, 1501 Kings Highway, Shreveport, LA 71103, USA; Department of Pharmacology, Toxicology, and Neurosciences, Louisiana State University Health Sciences Center Shreveport, 1501 Kings Highway, Shreveport, LA 71103, USA.
| | - Sahar Shekoohi
- Department of Anesthesiology, Louisiana State University Health Sciences Center Shreveport, 1501 Kings Highway, Shreveport, LA 71103, USA
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Harries RL, Norman C, Reid R, Nic Daéid N, Nisbet LA. Detection of anabolic-androgenic steroids in e-cigarettes seized from prisons: A case study. Forensic Sci Int 2024; 356:111965. [PMID: 38359752 DOI: 10.1016/j.forsciint.2024.111965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 01/25/2024] [Accepted: 02/05/2024] [Indexed: 02/17/2024]
Abstract
The administration of new psychoactive substances (NPS), in particular synthetic cannabinoid receptor agonists (SCRAs), via e-cigarettes, within prison settings has been well publicized. This study provides an overview of five e-cigarette case samples seized from Scottish prisons between May 2022 and July 2023 where the anabolic-androgenic steroids (AASs) mestanolone and oxandrolone were identified following gas chromatography-mass spectrometry (GC-MS) analysis. These e-cigarette samples represented 2.9% of all samples containing e-cigarette cartridges (n = 170) and 9.4% of all samples found to contain AASs (n = 53) seized during the same time period. The AASs were detected in combination with other drugs, including cocaine, Δ9-tetrahydrocannabinol (Δ9-THC), SCRAs and nicotine. This represents a new and novel route of administration for AASs.
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Affiliation(s)
- Richard L Harries
- Leverhulme Research Centre for Forensic Science, School of Science and Engineering, University of Dundee, Dundee, UK
| | - Caitlyn Norman
- Leverhulme Research Centre for Forensic Science, School of Science and Engineering, University of Dundee, Dundee, UK
| | - Robert Reid
- Leverhulme Research Centre for Forensic Science, School of Science and Engineering, University of Dundee, Dundee, UK
| | - Niamh Nic Daéid
- Leverhulme Research Centre for Forensic Science, School of Science and Engineering, University of Dundee, Dundee, UK
| | - Lorna A Nisbet
- Leverhulme Research Centre for Forensic Science, School of Science and Engineering, University of Dundee, Dundee, UK.
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McCauley DM, Baiocchi M, Gaiha SM, Halpern-Felsher B. Sociodemographic differences in use of nicotine, cannabis, and non-nicotine E-cigarette devices. Drug Alcohol Depend 2024; 255:111061. [PMID: 38134543 PMCID: PMC10949227 DOI: 10.1016/j.drugalcdep.2023.111061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 12/05/2023] [Accepted: 12/09/2023] [Indexed: 12/24/2023]
Abstract
BACKGROUND Sociodemographic differences in e-cigarette use have been documented; however, disparities in use of specific e-cigarette types with various ingredients have yet to be thoroughly investigated. This study examines ever- and past-30-day-use of nicotine, cannabis, and non-nicotine e-cigarette device types by sex, sexual orientation, race/ethnicity, and financial comfort. METHODS Data were drawn from a 2021 national cross-sectional survey of adolescents, young adults, and adults (N = 6131, ages 13-40 years old). Participants reported ever and past-30-day-use of (1) disposable nicotine e-cigarettes, (2) pod/cartridge-based nicotine e-cigarettes, (3) "other" nicotine e-cigarettes, (4) non-nicotine e-cigarettes, (5) e-cigarettes with THC, and (6) e-cigarettes with CBD. We constructed summary tables for each e-cigarette device type in which percentages of ever and past-30-day-use were calculated by birth year category and sociodemographic variables: (a) sex, (b) sexual orientation, (c) race/ethnicity, and (d) financial comfort. RESULTS Females born between 1996 and 2008 reported higher rates of past-30-day disposable e-cigarette use relative to males (females 26.4%; males 22.4%). Compared to their heterosexual counterparts, LGBTQ+ participants reported higher overall rates of past-30-day-use for disposable (LGBTQ+ 27.9%; Heterosexual 23.8%), THC (LGBTQ+ 30.8%; Heterosexual 24.1%), and CBD e-cigarettes (LGBTQ+ 20.0%; Heterosexual 16.9%). Hispanic/Latino participants generally reported higher rates of past-30-day-use across device types relative to those identifying as Black or White non-Hispanic, particularly disposable nicotine e-cigarettes. CONCLUSIONS Findings highlight sociodemographic disparities in e-cigarette use, though differences varied based on e-cigarette device type and participant birth year category. Tailored preventive efforts may be necessary to mitigate e-cigarette use among populations at highest risk.
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Affiliation(s)
- Devin Malloy McCauley
- REACH Lab, Division of Adolescent Medicine, Department of Pediatrics, Stanford University, Palo Alto, CA, 94304, United States
| | - Michael Baiocchi
- Department of Epidemiology and Population Health, Stanford University, Palo Alto, CA 94304, United States
| | - Shivani Mathur Gaiha
- REACH Lab, Division of Adolescent Medicine, Department of Pediatrics, Stanford University, Palo Alto, CA, 94304, United States
| | - Bonnie Halpern-Felsher
- REACH Lab, Division of Adolescent Medicine, Department of Pediatrics, Stanford University, Palo Alto, CA, 94304, United States.
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Moore CF, Davis CM, Sempio C, Klawitter J, Christians U, Weerts EM. Δ 9-Tetrahydrocannabinol Vapor Exposure Produces Conditioned Place Preference in Male and Female Rats. Cannabis Cannabinoid Res 2024; 9:111-120. [PMID: 36179013 PMCID: PMC10874829 DOI: 10.1089/can.2022.0175] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Background: The use of place conditioning procedures and drug vapor exposure models can increase our understanding of the rewarding and aversive effects of vaped cannabis products. Currently there are limited data on the conditioned rewarding effects of vaporized Δ9-tetrahydrocannabinol (THC), the primary psychoactive constituent of cannabis in rats, and no studies to date examining sex differences. Methods: Male and female Sprague-Dawley rats (N=96; 12 per sex/group) underwent place conditioning sessions immediately after exposure to THC or vehicle (propylene glycol [PG]) vapor. Locomotor activity was measured by beam breaks during conditioning sessions. THC vapor-conditioned rats received one of three THC vapor exposure amounts (low: 5 puffs of 100 mg/mL THC, medium: 5 puffs of 200 mg/mL THC, or high: 10 puffs of 200 mg/mL THC) and matched vehicle vapor (PG) exposure on alternate days for 16 daily sessions. A "no THC" control group of vehicle-conditioned rats received only PG vapor exposure each day. After the 8th and 16th conditioning sessions, untreated rats were tested for conditioned place preference (CPP) or aversion (CPA). Next, extinction tests and a THC vapor-primed reinstatement test were conducted. Results: THC vapor produced CPP and locomotor effects in an exposure dependent manner, and some sex differences were observed. Low THC vapor exposure did not produce CPP in males or females. Medium THC vapor exposure produced CPP in males, but not females. High THC vapor exposure produced CPP in both males and females. Medium and high THC vapor exposure amounts produced hyperactivity in female rats, but not male rats. CPP was more resistant to extinction in females than males. THC vapor reexposure (i.e., drug-prime) after extinction did not result in reinstatement of CPP for either sex. Conclusion: This study demonstrates conditioned rewarding effects of THC vapor in both male and female rats and provides evidence for sex differences in amounts of THC vapor that produce CPP and in time to extinction. CPA was not observed at any of the THC vapor exposure amounts tested. These data provide a foundation for future exploration of the conditioned effects of cannabis constituents and extracts using vapor exposure models.
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Affiliation(s)
- Catherine F. Moore
- Division of Behavioral Biology, Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Catherine M. Davis
- Department of Pharmacology and Molecular Therapeutics, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA
| | - Cristina Sempio
- iC42 Clinical Research and Development, Department of Anesthesiology, University of Colorado, Anschutz Medical Campus, Aurora, Colorado, USA
| | - Jost Klawitter
- iC42 Clinical Research and Development, Department of Anesthesiology, University of Colorado, Anschutz Medical Campus, Aurora, Colorado, USA
| | - Uwe Christians
- iC42 Clinical Research and Development, Department of Anesthesiology, University of Colorado, Anschutz Medical Campus, Aurora, Colorado, USA
| | - Elise M. Weerts
- Division of Behavioral Biology, Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
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Mitchell MM, G Mitchell S, Brooks JH, Akinwolere OG, Dusek K, O'Grady KE, Schwartz RP, Gryczynski J. The Relationship between Vaping Cannabis and Frequency of Cannabis Use and Cannabis-Related Problems among Urban High School Students. Subst Use Misuse 2024; 59:329-335. [PMID: 38063201 DOI: 10.1080/10826084.2023.2269573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/26/2024]
Abstract
Background: Vaping, including vaping cannabis, is increasing among adolescents. In this longitudinal study, we examined the relationship between vaping cannabis and frequency of cannabis use and related problems over 6 months among adolescents. Material and Methods: Data were from 233 participants (46.8% male, 93.1% African American, mean age = 16.4 years) reporting cannabis use. The Alcohol, Smoking and Substance Involvement Screening Test (ASSIST) assessed frequency of past 30-day cannabis use and cannabis-related problems at baseline, 3- and 6-months post-baseline. We used latent growth curve modeling to compare vaping to non-vaping adolescents on trends in cannabis use frequency and ASSIST cannabis scores. Results: Adolescents who vaped cannabis (11.7%) had higher past 30-day frequency (mean = 17.89 days, SD = 10.49) of cannabis use at baseline compared to adolescents who had not vaped (mean = 12.1 days, SD = 10.93), but reported a significantly sharper decline in frequency of cannabis use (b = -0.34, p = 0.017). A significantly steeper decrease existed in the mean cannabis ASSIST scores for the vaping group than for the non-vaping group (b = -0.34, p = 0.014). Mean ASSIST scores on the cannabis subscale between the two groups were significantly different at 6-month follow-up (Vape mean = 6.00, SD = 8.12 vs. Non-vape mean = 9.6, SD = 9.39; p < 0.021). Conclusions: In a sample of cannabis-using adolescents, adolescents with experience vaping cannabis, compared to adolescents without vaping experience, on average reported sharper decreases in frequency of cannabis use and cannabis-related problems such as health or social problems.
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Affiliation(s)
| | | | | | | | - Kristi Dusek
- Friends Research Institute, Baltimore, Maryland, USA
| | - Kevin E O'Grady
- Department of Psychology, University of Maryland, College Park, Maryland, USA
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Ladegard K, Bhatia D. Impact of Cannabis Legalization on Adolescent Cannabis Use. Psychiatr Clin North Am 2023; 46:635-646. [PMID: 37879828 DOI: 10.1016/j.psc.2023.03.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2023]
Abstract
Because of substantial limitations in available national data, such as inconsistencies among surveys and small sample sizes, the increased prevalence of cannabis use among adolescents since recreational legalization has not been directly observed. Nevertheless, both usage frequency and product potency have significantly increased, alongside alternative routes of delivery to smoking, such as vaping cannabis. Moreover, certain populations may be especially vulnerable to the effects of legalization. Regardless of differing state-level cannabis legalization status, the adverse consequences of cannabis on youth have clear negative impacts on mental health, medical symptoms, educational outcomes, and increased risk of addiction to other substances.
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Affiliation(s)
- Kristie Ladegard
- Denver Health, University of Colorado, 601 Broadway 7th Floor, MC7779, Denver, CO 80203, USA.
| | - Devika Bhatia
- University of Colorado, 13007 East 19th Place, Aurora, CO 80045, USA
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Kong G, Schott AS, Lee J, Dashtian H, Murthy D. Understanding e-cigarette content and promotion on YouTube through machine learning. Tob Control 2023; 32:739-746. [PMID: 35504690 PMCID: PMC9630169 DOI: 10.1136/tobaccocontrol-2021-057243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Accepted: 04/19/2022] [Indexed: 11/04/2022]
Abstract
INTRODUCTION YouTube is a popular social media used by youth and has electronic cigarette (e-cigarette) content. We used machine learning to identify the content of e-cigarette videos, featured e-cigarette products, video uploaders, and marketing and sales of e-cigarette products. METHODS We identified e-cigarette content using 18 search terms (eg, e-cig) using fictitious youth viewer profiles and predicted four models using the metadata as the input to supervised machine learning: (1) video themes, (2) featured e-cigarette products, (3) channel type (ie, video uploaders) and (4) discount/sales. We assessed the association between engagement data and the four models. RESULTS 3830 English videos were included in the supervised machine learning. The most common video theme was 'product review' (48.9%), followed by 'instruction' (eg, 'how to' use/modify e-cigarettes; 17.3%); diverse e-cigarette products were featured; 'vape enthusiasts' most frequently posted e-cigarette videos (54.0%), followed by retailers (20.3%); 43.2% of videos had discount/sales of e-cigarettes; and the most common sales strategy was external links for purchasing (34.1%). 'Vape trick' was the least common theme but had the highest engagement (eg, >2 million views). 'Cannabis' (53.9%) and 'instruction' (49.9%) themes were more likely to have external links for purchasing (p<0.001). The four models achieved an F1 score (a measure of model accuracy) of up to 0.87. DISCUSSION Our findings indicate that on YouTube videos accessible to youth, a variety of e-cigarette products are featured through diverse videos themes, with discount/sales. The findings highlight the need to regulate the promotion of e-cigarettes on social media platforms.
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Affiliation(s)
- Grace Kong
- Psychiatry, Yale School of Medicine, New Haven, Connecticut, USA
| | | | - Juhan Lee
- Psychiatry, Yale School of Medicine, New Haven, Connecticut, USA
| | - Hassan Dashtian
- The School of Journalism, The University of Texas at Austin, Austin, Texas, USA
| | - Dhiraj Murthy
- The School of Journalism, The University of Texas at Austin, Austin, Texas, USA
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Liu J, Tan ASL, Winickoff JP, Rees VW. Correlates of adolescent sole-, dual- and poly-use of cannabis, vaped nicotine, and combusted tobacco. Addict Behav 2023; 146:107804. [PMID: 37478525 PMCID: PMC10528055 DOI: 10.1016/j.addbeh.2023.107804] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 07/01/2023] [Accepted: 07/12/2023] [Indexed: 07/23/2023]
Abstract
BACKGROUND Compared to single substance use, adolescents' use of multiple substances is associated with more severe dependence, cessation outcomes, and health risks. This study examined correlates of use and co-use of e-cigarettes, combusted tobacco, and cannabis among high school-aged (9th-12th grade, approximately aged 14-18) adolescents. METHODS We analyzed the 2019 Massachusetts Youth Health Survey (MYHS) data to calculate the weighted means of any past 30-day sole-use of e-cigarettes, sole-use of combusted tobacco, sole-use of cannabis, dual-use of two of the above substances, and poly-use of all three substances. We then used weighted multinomial logistic regression to examine the associations between demographic, social and behavioral factors and sole-, dual-, and poly-use (vs. no use) of these substances. RESULTS Among N = 1614 respondents, any past 30-day dual-use of e-cigarettes and cannabis was the most prevalent (17.2%, SE: 1.3%). Sole-use of combusted tobacco was less than 1%, whereas 4.5% (SE: 0.7%) of respondents reported poly-use of e-cigarettes, cannabis, and combusted tobacco. Lower academic grades and self-reported depression (1 item on persistent feelings of sadness or hopelessness) were associated with increased odds of dual-use of e-cigarettes and cannabis and poly-use (vs. sole-use of any substance). Adolescents who self-reported having "any long-term emotional problems or learning disabilities" had greater odds of poly-use. CONCLUSION Different sets of correlates were associated with sole-, dual-, and poly-use, suggesting that certain adolescents may be more vulnerable than others to multiple substance use. Future research should examine potentially modifiable upstream influences, such as the home environment and socioeconomic factors that may affect the relationship between adolescent mental health, school performance, and multiple addictive substance use.
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Affiliation(s)
- Jessica Liu
- REACH Lab, Division of Adolescent Medicine, Department of Pediatrics, Stanford University, Palo Alto, CA, United States; Department of Social and Behavioral Sciences, Harvard T.H. Chan School of Public Health, Boston, MA, United States.
| | - Andy S L Tan
- University of Pennsylvania, Annenberg School for Communication, Philadelphia, PA, United States; University of Pennsylvania, Leonard Davis Institute of Health Economics, Philadelphia, PA, United States; Abramson Cancer Center, Tobacco and Environmental Carcinogenesis Program, Philadelphia, PA, United States
| | - Jonathan P Winickoff
- MassGeneral Hospital Division of General Academic Pediatrics, Boston, MA, United States; MGH Tobacco Research and Treatment Center, Boston, MA, United States; American Academy of Pediatrics Julius B. Richmond Center, Itasca, IL, United States
| | - Vaughan W Rees
- Department of Social and Behavioral Sciences, Harvard T.H. Chan School of Public Health, Boston, MA, United States
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13
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Ouellette RR, Selino S, Kong G. Electronic Nicotine Delivery Systems and E-Liquid Modifications to Vape Cannabis Depicted in Online Videos. JAMA Netw Open 2023; 6:e2341075. [PMID: 37917060 PMCID: PMC10623192 DOI: 10.1001/jamanetworkopen.2023.41075] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Accepted: 09/21/2023] [Indexed: 11/03/2023] Open
Abstract
Importance Electronic nicotine delivery systems (ENDS) were created to vape nicotine e-liquids; however, social media demonstrates increased ENDS modifications to vape cannabis. Analysis of social media content helps with understanding ENDS modifications for cannabis use, overlapping markets for ENDS and cannabis, and the need for additional regulation. Objective To analyze online videos for use, modification, and marketing of ENDS to vape cannabis. Design, Setting, and Participants In this qualitative study, 10 searches were performed on YouTube on July 14, 2022, using different combinations of relevant search terms to identify videos depicting modifications to ENDS and e-liquids to vape cannabis. The first 40 videos from each search (400 videos total, 152 without duplicates) were extracted, of which 59 included depiction or discussion of cannabis vaping content. Content analysis of videos included iterative development of codes, consensus building across team members, and reliability checks. Main Outcomes and Measures Metadata (ie, video length, number of likes, comments, and views) were extracted for included videos. Coding was performed for uploader type, modifications to ENDS and e-liquids, devices used, cannabis products vaped, age restriction, purchasing links, health claims, and discussion of warning messages and cannabis regulations. Results Of the 59 videos analyzed, 34 (58%) included tetrahydrocannabinol; 33 (56%), cannabidiol; and 8 (14%), both. A total of 21 videos (36%) were age-restricted, while 25 (42%) included purchasing links for cannabis products, 20 (34%) for ENDS, and 7 (12%) for nicotine e-liquids. Twenty-six videos (44%) made claims about health benefits of vaping cannabis. Forty-one videos (69%) demonstrated vaping manufacturer-made cannabis products (eg, cannabis concentrates) with no modifications needed. Eighteen videos (31%) depicted modifications to e-liquids or ENDS for cannabis use. The most frequent modification was mixing e-liquids with cannabis products to be compatible with ENDS. The most frequently reported reason for modifications was to vape cannabis in public by using the same devices used for nicotine. Conclusions and Relevance This qualitative study of online videos found high frequencies of statements about health benefits from vaping cannabis, frequent purchasing links, and inadequate age restrictions. Exposure to such content on social media platforms may increase risk of cannabis vaping among youth. Use of the same devices for multiple substances may also enable dual use and complicate the US Food and Drug Administration's regulation of ENDS.
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Affiliation(s)
| | - Sophia Selino
- The Consultation Center, Yale School of Medicine, New Haven, Connecticut
| | - Grace Kong
- Department of Psychiatry, Yale School of Medicine, New Haven, Connecticut
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14
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Chen G, Rahman S, Lutfy K. E-cigarettes may serve as a gateway to conventional cigarettes and other addictive drugs. ADVANCES IN DRUG AND ALCOHOL RESEARCH 2023; 3:11345. [PMID: 38389821 PMCID: PMC10880776 DOI: 10.3389/adar.2023.11345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 06/14/2023] [Indexed: 02/24/2024]
Abstract
Electronic cigarettes (e-cigarettes) are devices that allow the user to inhale nicotine in a vapor, and are primarily marketed as a means of quitting smoking and a less harmful replacement for traditional cigarette smoking. However, further research is needed to determine if vaping nicotine via e-cigarettes can be effective. Conversely, nicotine has been considered a gateway drug to alcohol and other addictive drugs and e-cigarettes containing nicotine may have the same effects. Previous reports have shown that e-cigarette use may open the gate for the use of other drugs including conventional cigarettes, cannabis, opioids, etc. The increasing prevalence of e-cigarettes, particularly among youth and adolescents in the last decade have led to an increase in the dual use of e-cigarettes with alcohol, cannabis, and other illicit drug use like heroin and 3-4-methylenedioxymethamphetamine (MDMA). The advent of e-cigarettes as a device to self-administer addictive agents such as cocaine and synthetic cathinones may bring about additional adverse health effects associated with their concurrent use. This review aims to briefly describe e-cigarettes and their different generations, and their co-use with other addictive drugs as well as the use of the device as a tool to self-administer addictive drugs, such as cocaine, etc.
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Affiliation(s)
- Grace Chen
- College of Osteopathic Medicine, Western University of Health Sciences, Pomona, CA, United States
| | - Shafiqur Rahman
- Department of Pharmaceutical Sciences, College of Pharmacy, South Dakota State University, Brookings, SD, United States
| | - Kabirullah Lutfy
- College of Pharmacy, Western University of Health Sciences, Pomona, CA, United States
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15
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Rychert M, Romeo JS, Wilkins C. Exploring Differences in Daily Vaping of Nicotine and Cannabis among People Who Use Drugs in New Zealand. Subst Use Misuse 2023; 58:1388-1398. [PMID: 37328432 DOI: 10.1080/10826084.2023.2223276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Background: Little is known about daily vaping of different substances, particularly cannabis. Aim: To explore daily vaping of cannabis and nicotine products in a sample of people who use drugs in New Zealand. Method: The online New Zealand Drug Trends convenience survey (N = 23,500) was promoted to those aged 16+ via a targeted Facebook™ campaign, with 9,042 reporting vaping in the past six months. Multivariate logistic regression models were fitted to identify predictors of daily vaping of: (i) nicotine e-liquids, (ii) no-nicotine e-liquids, (iii) cannabis e-liquids/oils, (iv)cannabis herb. Results: Forty-two percent of past 6-month vapers used a vaporizing device "daily or near daily" (n = 3,508). Nicotine was most common substance used by daily vapers (96%), followed by dry herb cannabis (12%), no-nicotine e-liquids (10%) and cannabis e-liquid (6%). Daily vaping of no-nicotine e-liquids was associated with abstinence from tobacco use. Frequency of cannabis use was negatively correlated with daily vaping of nicotine liquids and positively correlated with daily vaping of no-nicotine and herbal cannabis. Younger age strongly predicted daily vaping of nicotine and no-nicotine liquids, but the reverse association was observed for daily vaping of herbal cannabis. Māori were less likely to daily vape cannabis herb than NZ Europeans. Daily vaping of both cannabis e-liquid and cannabis herb was associated with medicinal cannabis use. Conclusion: Daily vapers of nicotine and cannabis differed by several characteristics. Younger age group is at risk of daily vaping nicotine and non-nicotine, while herbal cannabis vaping is associated with older and medicinal use, suggesting a need for a nuanced vape policy response.
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Affiliation(s)
- Marta Rychert
- Shore & Whāriki Research Centre, College of Health, Massey University, Palmerston North, New Zealand
| | - Jose S Romeo
- Shore & Whāriki Research Centre, College of Health, Massey University, Palmerston North, New Zealand
| | - Chris Wilkins
- Shore & Whāriki Research Centre, College of Health, Massey University, Palmerston North, New Zealand
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16
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North C, Loukas A. Marijuana use behaviors on Texas college campuses. Addict Behav 2023; 141:107634. [PMID: 36738641 DOI: 10.1016/j.addbeh.2023.107634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 01/17/2023] [Accepted: 01/29/2023] [Indexed: 02/01/2023]
Abstract
There is limited contemporary research examining marijuana use behaviors that occur on college campuses. PURPOSE This study aimed to determine: (1) What is the prevalence of marijuana use on college campuses, (2) where are students commonly using marijuana on college campuses, (3) what are the sociodemographic characteristics of students most likely to use marijuana on a college campus, and (4) how do these findings vary between modes of marijuana use (i.e., vaped versus another mode)? METHODS Participants were 14,005 college students (aged 18-25) enrolled in 19 Texas colleges during spring 2022 (Mean age = 20.16; 65.81% female; 30.85% non-Hispanic white, 42.08% Hispanic/Latino, 27.07% another race/ethnicity; 75.81% heterosexual). RESULTS Nearly 40% of students ever used marijuana and of these students, over 26% ever used marijuana on their college campus. Although the most common mode for marijuana use was smoking, the majority of students that used marijuana on a college campus reported vaping marijuana (64.89%). Students that ever vaped marijuana on campus were 2.35 times more likely than those that used marijuana via other modes to use marijuana in a public location on campus (i.e., not in a dormitory). CONCLUSIONS Findings indicate that marijuana use on college campuses is common and suggest that the ability to vape marijuana may increase marijuana use on college campuses, including in public locations such as classrooms and libraries. College campuses may consider increasing anti-marijuana enforcement efforts, especially those aimed at decreasing electronic vaping device use in general, in order to prevent and decrease marijuana use.
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Affiliation(s)
- Caroline North
- Department of Kinesiology and Health Education, The University of Texas at Austin, Austin, TX, USA.
| | - Alexandra Loukas
- Department of Kinesiology and Health Education, The University of Texas at Austin, Austin, TX, USA.
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17
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Reidel B, Abdelwahab S, Wrennall JA, Clapp P, Beers JL, Jackson KD, Tarran R, Kesimer M. Vaping additives cannabinoid oil and vitamin E acetate adhere to and damage the human airway epithelium. J Appl Toxicol 2023; 43:680-693. [PMID: 36372912 PMCID: PMC10101868 DOI: 10.1002/jat.4415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Revised: 10/25/2022] [Accepted: 11/11/2022] [Indexed: 11/15/2022]
Abstract
E-cigarette, or vaping product use-associated lung injury (EVALI), is a severe respiratory disorder that caused a sudden outbreak of hospitalized young people in 2019. Using cannabis oil containing vaping products, including vitamin E acetate contaminants, was found to be strongly associated with EVALI. However, the underlying tissue impacts of the condition are still largely unknown. Here, we focused on the vehicle cannabinoid oil (CBD oil) and contaminant vitamin E acetate (VEA) effects on airway epithelial cells. Primary human bronchial epithelial (HBE) cultures were exposed to e-liquid aerosols that contained CBD oil and VEA in combination or the common e-liquid components PG/VG with and without nicotine. Cell viability analysis indicated dramatically increased cell death counts after 3 days of CBD exposure, and this effect was even higher after CBD + VEA exposure. Microscopic examination of the cultures revealed cannabinoid and VEA depositions on the epithelial surfaces and cannabinoid accumulation in exposed cells, followed by cell death. These observations were supported by proteomic analysis of the cell secretions that exhibited increases in known markers of airway epithelial toxicity, such as xenobiotic enzymes, factors related to oxidative stress response, and cell death indicators. Overall, our study provides insights into the association between cannabinoid oil and vitamin E acetate vaping and lung injury. Collectively, our results suggest that the adherent accumulation of CBD oil on airway surfaces and the cellular uptake of both CBD oil- and VEA-containing condensates cause elevated metabolic stress, leading to increased cell death rates in human airway epithelial cultures.
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Affiliation(s)
- Boris Reidel
- Marsico Lung Institute, The University of North Carolina at Chapel Hill, NC, 27599
- Department of Pathology and Laboratory Medicine, The University of North Carolina at Chapel Hill, NC, 27599
| | - Sabri Abdelwahab
- Marsico Lung Institute, The University of North Carolina at Chapel Hill, NC, 27599
- Department of Cell Biology and Physiology, The University of North Carolina at Chapel Hill, NC, 27599
| | - Joe Alexander Wrennall
- Marsico Lung Institute, The University of North Carolina at Chapel Hill, NC, 27599
- Department of Cell Biology and Physiology, The University of North Carolina at Chapel Hill, NC, 27599
| | - Phillip Clapp
- Department of Pediatrics, The University of North Carolina at Chapel Hill, NC, 27599
| | - Jessica L. Beers
- Eshelman School of Pharmacy, The University of North Carolina at Chapel Hill, NC, 27599
| | - Klarissa D. Jackson
- Eshelman School of Pharmacy, The University of North Carolina at Chapel Hill, NC, 27599
| | - Robert Tarran
- Marsico Lung Institute, The University of North Carolina at Chapel Hill, NC, 27599
- Department of Cell Biology and Physiology, The University of North Carolina at Chapel Hill, NC, 27599
| | - Mehmet Kesimer
- Marsico Lung Institute, The University of North Carolina at Chapel Hill, NC, 27599
- Department of Pathology and Laboratory Medicine, The University of North Carolina at Chapel Hill, NC, 27599
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18
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Kalan ME, Jebai R, Li W, Gautam P, Osibogun O, Alqahtani MM, Ward KD, Behaleh R, Bursac Z, Taleb ZB. High on Hookah: Smoking Marijuana from a Hookah among Adults in the United States, Population Assessment of Tobacco and Health Study, 2015-2019. Subst Use Misuse 2023; 58:657-665. [PMID: 36786640 PMCID: PMC10069405 DOI: 10.1080/10826084.2023.2177966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
Abstract
Background: This study aimed to examine the trend and factors associated with smoking marijuana from a hookah device among US adults. Methods: Data were drawn from the Population Assessment of Tobacco and Health (PATH) Study, an ongoing nationally representative, longitudinal cohort study of the US population. Adult respondents who self-reported ever smoking marijuana from a hookah at Wave 5 (2018-19, N = 34,279 US adults) were included in the multivariable analysis. Trend analysis also was conducted using National Cancer Institute JoinPoint software from 2015 to 2019. Results: In 2018-19, an estimated 23.6 million (9.7%) US adults reported ever smoking marijuana from a hookah. Trend analysis showed the increasing prevalence of using marijuana from a hookah device from Wave 3 (8.9%) to Wave 5 (9.7%; time trend p = .007). Adults aged 25-44 years old (vs. 18-24; 13%, vs. 9%), whites (vs. Black; 11% vs. 9%), and lesbian, gay, or bisexual (LGB vs. straight; 17% vs. 9%) were more likely to report ever smoking marijuana from a hookah (ps < .05). Former and current users (vs. never users) of e-cigarettes (19% and 25% vs. 5%), cigarettes (11% and 21% vs. 2%), cigars (17% and 27% vs. 3%), and pipes (21% and 33% vs. 7%) and past 30-day blunt users (vs. non-users; 39% vs. 9%) were more likely to ever smoke marijuana from a hookah (ps < .05). Pregnant women (vs. non-pregnant; 12.8% vs. 8.6%; p = 0.03) were more likely to smoke marijuana from a hookah. Conclusions: Smoking marijuana from a hookah device is prevalent among young adults in the US, especially among vulnerable populations, and has increased significantly from 2015-2019.
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Affiliation(s)
| | - Rime Jebai
- Department of Epidemiology, Robert Stempel College of Public Health, Florida International University, Miami, FL
| | - Wei Li
- Department of Psychiatry, Yale School of Medicine, Yale University, New Haven, CT
| | - Prem Gautam
- Department of Epidemiology, Robert Stempel College of Public Health, Florida International University, Miami, FL
| | - Olatokunbo Osibogun
- Department of Epidemiology, Robert Stempel College of Public Health, Florida International University, Miami, FL
| | - Mohammed M Alqahtani
- School of Health Professions, University of Alabama at Birmingham, Birmingham, AL
| | - Kenneth D Ward
- School of Public Health, University of Memphis, Memphis, TN
| | - Raed Behaleh
- School of Health Sciences, Baldwin Wallace University, Berea, OH
| | - Zoran Bursac
- Department of Biostatistics, Robert Stempel College of Public Health, Florida International University, Miami, FL
| | - Ziyad Ben Taleb
- Department of Kinesiology, College of Nursing and Health Innovation, University of Texas at Arlington, Arlington, TX
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19
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Maynard CP, Schwartz J. Cannabis vaping among high school seniors in adult-use, medical, and prohibited legal contexts. DRUG AND ALCOHOL DEPENDENCE REPORTS 2023; 6:100136. [PMID: 36994371 PMCID: PMC10040324 DOI: 10.1016/j.dadr.2023.100136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 01/22/2023] [Accepted: 01/23/2023] [Indexed: 01/26/2023]
Abstract
Background Vaping cannabis among adolescents has been increasing. Monitoring the Future (MTF) indicated in 2019 that past-month cannabis vaping among 12th graders underwent the second-highest single-year jump ever tracked by MTF for any substance in its 45-year history. These increases in adolescents who vape cannabis do not parallel declining general adolescent cannabis use trends. Nevertheless, research on cannabis consumption via vaping, especially among adolescents, has been substantially limited. Method We examined associations between legal contexts (prohibited, medical, and adult use) and vaping cannabis in the past year among high school seniors. In addition, associations between vaping cannabis and factors such as availability and acceptability were examined using secondary data from MTF (2020), with a sub-sample size of 556 participants (overall sample size: n = 3,770), using multivariate logistic regression models. Results We found that high school seniors in medical states had higher odds of past-year vaping cannabis, but 12th graders in adult-use states were not significantly more likely to vape cannabis than those in prohibited states. Increased availability of vaping products and decreased risk perceptions in medical states may explain this relationship. Adolescents who perceived high risks associated with regular cannabis use had decreased odds of vaping cannabis. High school seniors reporting very easy access to cannabis cartridges had increased odds of vaping cannabis, regardless of legal context. Conclusion These results contribute knowledge about contextual factors related to adolescent cannabis vaping, a relatively new technique of cannabis consumption for which there is growing societal concern.
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20
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Abstract
Because of substantial limitations in available national data, such as inconsistencies among surveys and small sample sizes, the increased prevalence of cannabis use among adolescents since recreational legalization has not been directly observed. Nevertheless, both usage frequency and product potency have significantly increased, alongside alternative routes of delivery to smoking, such as vaping cannabis. Moreover, certain populations may be especially vulnerable to the effects of legalization. Regardless of differing state-level cannabis legalization status, the adverse consequences of cannabis on youth have clear negative impacts on mental health, medical symptoms, educational outcomes, and increased risk of addiction to other substances.
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Affiliation(s)
- Kristie Ladegard
- Denver Health, University of Colorado, 601 Broadway 7th Floor, MC7779, Denver, CO 80203, USA.
| | - Devika Bhatia
- University of Colorado, 13007 East 19th Place, Aurora, CO 80045, USA
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21
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Wang X, Lee NL, Burstyn I. Exposure-response analysis of the association of maternal smoking and use of electronic cigarettes (vaping) in relation to preterm birth and small-for-gestational-age in a national US sample, 2016-2018. GLOBAL EPIDEMIOLOGY 2022; 4:100079. [PMID: 37637017 PMCID: PMC10446111 DOI: 10.1016/j.gloepi.2022.100079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 06/13/2022] [Accepted: 06/17/2022] [Indexed: 11/16/2022] Open
Abstract
Introduction The US experienced a surge in use of e-cigarettes. Smoking women may consider e-cigarettes during pregnancy as an alternative to smoking. E-cigarettes typically contain nicotine, an established cause of reduction in fetal growth in animal studies. Methods This cohort study included 99,201 mothers who delivered live singletons in 2016-2018 from the Pregnancy Risk Assessment Monitoring System. We created exposure categories based on self-reported number of cigarettes smoked per day and vaping frequency and evaluated their associations with preterm birth and small-for-gestational-age (SGA) birth (two established cigarette smoking-related risks). Results Dual users in late pregnancy were a heterogeneous group: 29% lightly smoked and occasionally vaped; 19% lightly smoked and frequently vaped; 36% heavily smoked and occasionally vaped; and 15% heavily smoked and frequently vaped. While dual users who heavily smoked and occasionally vaped had the highest adjusted OR for SGA (3.4, 95% CI 2.0, 5.7), all the dual users had, on average, about twice the odds of having SGA than non-users. While the risks of preterm birth were higher among sole light smokers (adjusted OR 1.3, 95% CI 1.1, 1.5) and sole heavy smokers (adjusted OR 1.5. 95% CI 1.2, 1.8) than non-users, the adjusted odds of preterm birth for dual users were not noticeably higher than those of non-users. Conclusion Relative to non-users, both smoking and vaping during pregnancy appear to increase risk of SGA, but excess risk of preterm birth appears to be primarily attributable to smoking alone. Higher levels of exposure tended to confer more risk.
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Affiliation(s)
- Xi Wang
- PolicyLab, Children's Hospital of Philadelphia, 2716 South Street, Philadelphia, PA 19146, USA
| | - Nora L. Lee
- Department of Epidemiology and Biostatistics, Drexel University, 3215 Market Street, Philadelphia, PA 19104, USA
| | - Igor Burstyn
- Department of Environmental and Occupational Health, Drexel University, 3215 Market Street, Philadelphia, PA 19104, USA
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22
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Cigarette, electronic cigarette, and marijuana use among young adults under policy changes in California. Addict Behav Rep 2022; 16:100459. [PMID: 36176360 PMCID: PMC9513090 DOI: 10.1016/j.abrep.2022.100459] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 09/15/2022] [Accepted: 09/18/2022] [Indexed: 10/25/2022] Open
Abstract
Introduction Since 2016, California has implemented a series of policies, including prohibiting the sale of tobacco products and electronic cigarettes (e-cigarettes) to persons under 21, cigarette tax increase, and recreational marijuana legalization. The study aims to examine the use of cigarettes, e-cigarettes, and marijuana among young adults (ages 18-25) and their associations with other factors in the context of these policy changes. Methods We used the data from the California Health Interview Survey (CHIS) 2017-2018 to compare the rates of using cigarettes, e-cigarettes, and marijuana separately or any use of the three. Using CHIS 2018 data, weighted logistic regression models were used to examine associations of using cigarettes, e-cigarettes, and marijuana separately or any use of these products/substance with demo-socioeconomic factors, psychological distress, and use of each product/substances. Results Cigarette smoking remained flat while the use of e-cigarettes and marijuana escalated among young adults from 2017 to 2018. Using tobacco products increased the use of marijuana or vice versa among young adults. Severe psychological distress was significantly associated with cigarette use (adjusted odds ratio [AOR] = 4.06; 95% CI = 1.32, 12.55), marijuana use (AOR = 2.32; 95% CI = 1.10, 4.48), and any use (AOR = 4.11; 95% CI = 1.93, 8.77). Moderate psychological distress was also significantly associated with the use of these products/substance. Underage (ages 18-20) young adults had lower odds of using cigarettes than other young adults (ages 21-25). Conclusions Our findings highlight the importance of addressing the use of cigarettes, e-cigarettes, and marijuana simultaneously through policies to curtail tobacco and marijuana use among young adults.
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23
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Vaping preferences of individuals who vaporise dry herb cannabis, cannabis liquids and cannabis concentrates. Drug Alcohol Depend 2022; 240:109632. [PMID: 36152405 DOI: 10.1016/j.drugalcdep.2022.109632] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 08/28/2022] [Accepted: 09/13/2022] [Indexed: 01/06/2023]
Abstract
In 2019 an estimated 200 million people aged 15-64 used cannabis, making cannabis the most prevalent illicit substance worldwide. The last decade has seen a significant expansion in the cannabis vaporiser market, introducing cannabis vaporisation as a common administration method alongside smoking and ingestion. Despite reports of increased prevalence of cannabis vaporisation there has been little research into the use of these devices. To remedy the current dearth of data in this area this study utilised an anonymous online survey of individuals who self-reported past cannabis vaporisation. The respondents (N = 557) were predominantly young (<35 years) and male. Most (91.4 %) stated they had ever vaped dry herb cannabis, 59.1 % reported vaporisation of cannabis oil or liquids, and 34.0 % reported vaporisation of cannabis concentrates. This study identifies the types of vaporisation devices (including brands and models) employed by cannabis vapers, as well as the vaporisation temperatures and puff durations commonly used for dry herb, cannabis liquids and cannabis concentrates. To the best of our knowledge, this is the first time the usual operating temperatures of these vaporisation devices and user specific consumption patterns such as puff duration have been reported for cannabis vaping. This information will allow for a more realistic understanding of patterns of recreational use and improve experimental conditions in research settings to reflect the user's context.
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24
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Kovach AL, Carter RR, Thornburg JW, Wiethe R, Fennell TR, Wiley JL. Thermal Degradants Identified from the Vaping of Vitamin E Acetate. J Anal Toxicol 2022; 46:750-756. [PMID: 34666345 PMCID: PMC9375236 DOI: 10.1093/jat/bkab109] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 10/04/2021] [Accepted: 10/19/2021] [Indexed: 12/22/2022] Open
Abstract
Studies have suggested that vitamin E acetate (VEA), when used in an electronic vaping device, undergoes thermal degradation and is considered one of the main contributors in e-cigarette or vaping product use-associated lung injury (EVALI). Using a Borgwaldt 5.1 linear smoker, a SVS250 Electronic Vaporizer and two types of tank systems, VEA was analyzed for degradation products produced via the Cooperation Centre for Scientific Research Relative to Tobacco method 81 when the filter containing vaporized VEA was extracted using acetonitrile. Two of the major products identified were 2,3,5,6-tetramethyl-1,4-benzoquinone and 2,6,10,14-tetramethyl-1-pentadecene, which were confirmed using analytical standards and gas chromatography-high-resolution mass spectrometry (GC-HRMS). Additional synthesis of 4-acetoxy-2,3,5,6-tetramethyl-2,4-cyclohexadienone and subsequent characterization using nuclear magnetic resonance and GC-HRMS suggested that this is not one of the products produced. Identification of these degradants will allow future studies to quantify and examine the degradants in vivo and in vitro as biomarkers for exposure and toxicity assessment.
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Affiliation(s)
- Alexander L Kovach
- Discovery Sciences, RTI International, 3040 Cornwallis Road, Research Triangle Park, NC 27709, USA
| | - Randi R Carter
- Discovery Sciences, RTI International, 3040 Cornwallis Road, Research Triangle Park, NC 27709, USA
| | - Jonathan W Thornburg
- Discovery Sciences, RTI International, 3040 Cornwallis Road, Research Triangle Park, NC 27709, USA
| | - Robert Wiethe
- Discovery Sciences, RTI International, 3040 Cornwallis Road, Research Triangle Park, NC 27709, USA
| | - Timothy R Fennell
- Discovery Sciences, RTI International, 3040 Cornwallis Road, Research Triangle Park, NC 27709, USA
| | - Jenny L Wiley
- Discovery Sciences, RTI International, 3040 Cornwallis Road, Research Triangle Park, NC 27709, USA
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Keyes KM, Kreski NT, Ankrum H, Cerdá M, Chen Q, Hasin DS, Martins SS, Olfson M, Miech R. Frequency of adolescent cannabis smoking and vaping in the United States: Trends, disparities and concurrent substance use, 2017-19. Addiction 2022; 117:2316-2324. [PMID: 35588004 PMCID: PMC10037679 DOI: 10.1111/add.15912] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 04/07/2022] [Indexed: 01/24/2023]
Abstract
AIM To quantify the trends in frequent and occasional cannabis vaping, demographic differences and concurrent nicotine and alcohol use. DESIGN Observational study. Survey-weighted multinomial logistic regression models assessed trends and disparities in past 30-day cannabis use. Trends were assessed overall and by sex, race/ethnicity, parental education and urbanicity. Multinomial logistic regression models also estimated associations of cannabis use (none, use without vaping, use with vaping) with past 2-week binge drinking and past 30-day nicotine/tobacco use. SETTING United States, 2017-19. PARTICIPANTS Participants in the national Monitoring the Future (n = 51 052) survey. MEASUREMENTS Past 30-day frequent cannabis use (six or more times/30 days) and past 30-day occasional use (one to five times/30 days), with and without vaping. FINDINGS Past 30-day frequent cannabis use with vaping and occasional use with vaping rose from 2017 to 2019. Past 30-day frequent and occasional cannabis use without vaping declined. Certain groups, such as Hispanic/Latino or lower socio-economic status adolescents, experienced particularly notable increases in frequent cannabis use with vaping (e.g. prevalence among Hispanic/Latino adolescents). Adolescents who reported smoking and vaping nicotine, and 10+ occasions of binge drinking, were 42.28 [95% confidence interval (CI) = 33.14-53.93] and 10.09 (95% CI = 4.51-22.53) times more likely to report past 30-day cannabis use with vaping, respectively, compared with no use. DISCUSSION Cannabis use without vaping appears to be declining among adolescents in the United States, while cannabis use with vaping is accelerating; frequent cannabis vaping is especially increasing, with consistent increases across almost all adolescent demographic groups. Cannabis use among US adolescents remains highly associated with other substance use.
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Affiliation(s)
- Katherine M. Keyes
- Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Noah T. Kreski
- Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Hadley Ankrum
- Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Magdalena Cerdá
- Department of Population Health, New York University Grossman School of Medicine, New York, NY, USA
| | - Qixuan Chen
- Department of Biostatistics, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Deborah S. Hasin
- Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA
- Department of Psychiatry, New York State Psychiatric Institute, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY, USA
| | - Silvia S. Martins
- Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Mark Olfson
- Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA
- Department of Psychiatry, New York State Psychiatric Institute, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY, USA
| | - Richard Miech
- Institute for Social Research, University of Michigan, Ann Arbor, MI, USA
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Lewis NM, Friedrichs M, Wagstaff SS, Nakashima AK, Dunn AC. Characteristics of Adults Who Use Both Marijuana and E-Cigarette, or Vaping, Products: A Cross-Sectional Study, Utah, 2018. Public Health Rep 2022; 137:695-701. [PMID: 34039118 PMCID: PMC9257507 DOI: 10.1177/00333549211018679] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/29/2021] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVES Among young people, dual use of marijuana and e-cigarette, or vaping, products (EVPs) is linked with using more inhalant substances and other substances, and poorer mental health. To understand antecedents and potential risks of dual use in adults, we analyzed a representative adult population in Utah. METHODS We used data from the 2018 Utah Behavioral Risk Factor Surveillance System (n = 10 380) and multivariable logistic regression to evaluate differences in sociodemographic characteristics, comorbidities, and risk factors among adults aged ≥18 who reported currently using both EVPs (any substance) and marijuana (any intake mode), compared with a referent group of adults who used either or neither. RESULTS Compared with the referent group, adults using EVPs and marijuana had greater odds of being aged 18-29 (adjusted odds ratio [aOR] = 12.44; 95% CI, 6.15-25.14) or 30-39 (aOR = 3.75; 95% CI, 1.73-8.12) versus ≥40, being male (aOR = 3.29; 95% CI, 1.82-5.96) versus female, reporting ≥14 days of poor mental health in previous 30 days (aOR = 2.30; 95% CI, 1.23-4.32) versus <14 days, and reporting asthma (aOR = 2.09; 95% CI, 1.02-4.31), chronic obstructive pulmonary disorder (aOR = 2.94; 95% CI, 1.19-7.93), currently smoking cigarettes (aOR = 4.56; 95% CI, 2.63-7.93), or past-year use of prescribed chronic pain medications (aOR = 2.13; 95% CI, 1.06-4.30), all versus not. CONCLUSIONS Clinicians and health promotion specialists working with adults using both EVPs and marijuana should assess risk factors and comorbidities that could contribute to dual use or associated outcomes and tailor prevention messaging accordingly.
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Affiliation(s)
- Nathaniel M. Lewis
- Epidemic Intelligence Service, Centers for Disease Control and Prevention, Atlanta, GA, USA
- Utah Department of Health, Salt Lake City, UT, USA
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Keenan M, Keenan K, Wrotniak B, Qiao H, Emborsky M. Do Your Kids Vape?: Investigating Parent Knowledge of Adolescent e-Cigarette Use. Pediatr Emerg Care 2022; 38:e1309-e1313. [PMID: 34744157 DOI: 10.1097/pec.0000000000002565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVE This study aimed to evaluate parental knowledge of their adolescent's e-cigarette use and their awareness of negative effects. METHODS Participants were English-speaking 12- to 18-year-old patients and their guardians presenting to a pediatric emergency department. Patients and guardians were invited to complete a survey detailing e-cigarette use, parental awareness, and the understanding of risks. Participants were given separate surveys. They were monitored by research assistants in the room to ensure that answers were kept private. χ2 Analysis was used to interpret the data. RESULTS A total of 309 paired surveys were obtained over an 8-month period. Of adolescents surveyed, 85 (27.5%) admitted to having ever used an e-cigarette and 33 (10.7%) admitted to regular use. Regular usage was defined as use within the last 30 days. Of the adolescents who used e-cigarettes, the majority (77.8%) had never smoked a traditional cigarette before. For teens who used e-cigarettes, 71.8% of their respective guardians were aware. When the adolescent reported that they did not use e-cigarettes, 91.3% of guardians responded that they did not believe their child was using the device. Guardians were somewhat worse at knowing if their child regularly used e-cigarettes, with only 54.8% of parents reporting to think that their child regularly uses. Finally, both adolescents and guardians reported to know that e-cigarette use was harmful. On a scale of 1 to 5, with 5 being the worst, 83.5% and 88.3% of patients and guardians, respectively, rated e-cigarette usage harm at 4 or 5. CONCLUSIONS It seems guardians are generally aware of their adolescent's e-cigarette use, and both parents and adolescents are aware of the negative side effects of e-cigarettes on health. We did not investigate whether guardians discussed their concerns on e-cigarette usage with their adolescents. It is also unclear what specific health consequences guardians and adolescents are aware of. These may be points of further investigation and intervention.
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Westling E, Rusby JC, Crowley R, Light JM. A Longitudinal Study of E-Cigarette, Cigarette, and Marijuana Use Sequence in Youth. Tob Use Insights 2022; 15:1179173X221101813. [PMID: 35592029 PMCID: PMC9112298 DOI: 10.1177/1179173x221101813] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Objective There is evidence linking youth use of electronic (e-) cigarettes to subsequent cigarette and marijuana use, raising public health concerns. We examined the sequence of use of e-cigarettes, conventional cigarettes, and marijuana in a longitudinal sample of adolescents, to determine if use of e-cigarettes often preceded use of other substances. Methods We collected self-reports from 1123 Oregon adolescents (52% female; 37% Hispanic) longitudinally from 8th to 11th grade (8 total surveys) regarding their lifetime (ever use) and current use (last 30 days) of e-cigarettes, cigarettes, and marijuana. If applicable, students also reported the delivery method of their current marijuana use. Results Almost 10% of adolescents reported using e-cigarettes prior to use of cigarettes or marijuana, and the majority of these youth initiated use of marijuana, cigarettes, or both by 11th grade. More youth transitioned from e-cigarette use to marijuana use then from e-cigarettes to use of conventional cigarettes. Participants who were co-using e-cigarettes and marijuana in 11th grade had an increased likelihood of consuming marijuana via vaping, dabbing, and edibles, compared to those who were only using marijuana. Discussion E-cigarettes were often the first substance used in this longitudinal sample, and more of these youth subsequently used marijuana compared to cigarettes. While research has focused on the progression from e-cigarettes to cigarettes in youth, these findings indicate that more attention should be focused on the subsequent initiation of marijuana.
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Kelleghan AR, Sofis MJ, Budney A, Ceasar R, Leventhal AM. Associations of cannabis product source and subsequent cannabis use among adolescents. Drug Alcohol Depend 2022; 233:109374. [PMID: 35272186 PMCID: PMC8999876 DOI: 10.1016/j.drugalcdep.2022.109374] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2021] [Revised: 02/17/2022] [Accepted: 02/22/2022] [Indexed: 11/03/2022]
Abstract
BACKGROUND Cannabis is obtained from a variety retail and illicit sources, with unknown implications for youth cannabis use. This study assessed whether source of obtaining cannabis was associated with future cannabis use among adolescents. METHODS High-schoolers (N = 835) completed 3 semiannual surveys, reporting use of 7 cannabis sources (i.e., free, bought from someone, from an online dispensary, with a [valid/invalid] medical card, self-grown, or other; separate dichotomous exposure variables) at wave 1 (n = 621; M[SD] age=17.14[.40]) or wave 2 (n = 622; M[SD] age=17.51[.39]). Past-6-month (yes/no) and number of past-30-day (0-30) non-medical use of any cannabis product, combustible, edible, and vaporized cannabis, blunts, and concentrates (i.e., dabs) were reported at waves 2-3. Random-effect time-lagged repeated-measures regression was used to test longitudinal associations of youth's cannabis source (waves 1-2; time-varying exposure) with cannabis use outcomes 6 months later (waves 2-3). RESULTS Most youth (72.1%) received cannabis for free; 50.9% bought cannabis from someone, 15.9% used a valid medical card at a brick-and-mortar dispensary, and 3.9% grew cannabis. Buying cannabis from someone (OR=1.46, 95% CI: 1.07-1.99, p = .02) or using a valid medical card (OR=1.99, 95% CI: 1.20-3.31, p = .008) conferred greater odds of any cannabis product use 6 months later. Buying from someone predicted subsequent past-30-day use frequency (RR=1.25, 95% CI:1.05-1.48, p = .01). Some associations between particular cannabis sources and products were observed. CONCLUSIONS Adolescents may access cannabis from several sources. Those who purchase cannabis illicitly from someone or from a brick-and-mortar dispensary using a valid medical card may be at increased risk for more persistent and frequent patterns of non-medical cannabis use.
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Affiliation(s)
- Annemarie R Kelleghan
- Department of Psychology, University of Southern California, 3620S. McClintock Ave. SGM 501, Los Angeles, CA 90089, USA; Department of Preventive Medicine, Keck School of Medicine, University of Southern California, 2001 N. Soto Street, Los Angeles, CA 90032, USA
| | - Michael J Sofis
- Department of Psychiatry, Geisel School of Medicine, Dartmouth, 46 Centerra Pkwy, Suite 315, HB 7255, Lebanon, NH 03766, USA
| | - Alan Budney
- Department of Psychiatry, Geisel School of Medicine, Dartmouth, 46 Centerra Pkwy, Suite 315, HB 7255, Lebanon, NH 03766, USA
| | - Rachel Ceasar
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California, 2001 N. Soto Street, Los Angeles, CA 90032, USA
| | - Adam M Leventhal
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California, 2001 N. Soto Street, Los Angeles, CA 90032, USA; Institute for Addiction Science, University of Southern California, 2001 N. Soto Street, Los Angeles, CA 90032, USA.
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Moore CF, Stiltner JW, Davis CM, Weerts EM. Translational models of cannabinoid vapor exposure in laboratory animals. Behav Pharmacol 2022; 33:63-89. [PMID: 33136615 PMCID: PMC8079522 DOI: 10.1097/fbp.0000000000000592] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Cannabis is one of the most frequently used psychoactive substances in the world. The most common route of administration for cannabis and cannabinoid constituents such as Δ-9-tetrahydrocannabinol (THC) and cannabidiol (CBD) is via smoking or vapor inhalation. Preclinical vapor models have been developed, although the vaporization devices and delivery methods vary widely across laboratories. This review examines the emerging field of preclinical vapor models with a focus on cannabinoid exposure in order to (1) summarize vapor exposure parameters and other methodological details across studies; (2) discuss the pharmacological and behavioral effects produced by exposure to vaporized cannabinoids; and (3) compare behavioral effects of cannabinoid vapor administration with those of other routes of administration. This review will serve as a guide for past and current vapor delivery methods in animals, synergize findings across studies, and propose future directions for this area of research.
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Affiliation(s)
- Catherine F. Moore
- Division of Behavioral Biology, Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Jeffrey W. Stiltner
- Division of Behavioral Biology, Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Catherine M. Davis
- Division of Behavioral Biology, Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Elise M. Weerts
- Division of Behavioral Biology, Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD
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Mattingly DT, Patel A, Hirschtick JL, Fleischer NL. Sociodemographic differences in patterns of nicotine and cannabis vaping among US adults. Prev Med Rep 2022; 26:101715. [PMID: 35141121 PMCID: PMC8814645 DOI: 10.1016/j.pmedr.2022.101715] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 01/08/2022] [Accepted: 01/23/2022] [Indexed: 11/26/2022] Open
Abstract
About half (54.2%) of adults who used electronic vapor products (EVPs) vaped nicotine only. Only 7.4% of adults who used EVPs vaped cannabis only, while one-fourth (23.8%) vaped nicotine and cannabis. Patterns of nicotine and cannabis vaping differed by age, race/ethnicity, education, and sexual orientation. Vaping nicotine and cannabis and cannabis only was more common among young adults. Vaping cannabis only was more common among Hispanic and non-Hispanic Black adults.
Nicotine and cannabis vaping has increased over the past several years. While patterns of cigarette and cannabis co-use are well-documented, less is known about the intersection between nicotine and cannabis vaping, especially among adults. Thus, we categorized nicotine and cannabis vaping among adults (18+) who currently (past 30-day) used electronic vapor products (EVPs) from Wave 4 of the Population Assessment of Tobacco and Health Study (n = 3795) as: 1) nicotine only, 2) cannabis only, 3) nicotine and cannabis, and 4) non-nicotine/non-cannabis e-liquid. We calculated vaping pattern proportions overall and by sociodemographic characteristics. Adjusted multinomial logistic regression models assessed associations between sociodemographic characteristics and vaping categories relative to nicotine-only vaping. Approximately half (54.2%) of adults who currently used EVPs vaped nicotine only, 7.4% vaped cannabis only, 23.8% vaped nicotine and cannabis, and 14.6% vaped non-nicotine/non-cannabis e-liquid. Young adults (aged 18–24) (vs. adults aged 35+) had at least three-fold greater odds of vaping cannabis only, nicotine and cannabis, and non-nicotine/non-cannabis e-liquid, compared to nicotine only. Hispanic and non-Hispanic Black (vs. non-Hispanic White) adults had 2.5–3 times greater odds of vaping cannabis only and non-nicotine/non-cannabis e-liquid, compared to nicotine only. Sexual minority adults (vs. heterosexual adults) had 1.5 times greater odds of vaping nicotine and cannabis, compared to nicotine only. Nearly half of adults who vaped EVPs consumed something other than nicotine only, and nicotine/cannabis vaping patterns differed by sociodemographic groups. Vaping and nicotine reduction efforts must recognize that adults who currently vape may be vaping cannabis, or neither nicotine nor cannabis.
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Collaco JM, McGrath-Morrow SA. Developmental Effects of Electronic Cigarette Use. Compr Physiol 2022; 12:3337-3346. [PMID: 35578965 DOI: 10.1002/cphy.c210018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Electronic cigarettes have gained widespread acceptance among adolescents and young adults. As a result of this popularity, there are concerns regarding the potential harm of primary, secondhand and thirdhand electronic cigarette exposures on fetal and postnatal development. In vitro studies have shown that constituents in electronic cigarette liquids, including nicotine, flavorings, and carrier agents can alter cellular processes and growth. Additionally, aerosolized electronic cigarette emissions have been shown to disrupt organ development and immune responses in preclinical studies. In clinical studies, an association between electronic cigarette use and frequent respiratory symptoms, greater asthma severity and impaired mucociliary clearance has been demonstrated with adolescent and young adult users of electronic cigarettes having twice the frequency of cough, mucus production, or bronchitis compared to nonusers. Along with the popularity of electronic cigarette use, secondhand electronic cigarette exposure has increased substantially; with almost one-fourth of middle and high school children reporting exposure to secondhand vapors. The health consequences of secondhand electronic cigarette exposure on children and other vulnerable populations are poorly understood but detectable levels of cotinine have been measured in nonusers. Pregnant women and their offspring are another vulnerable group at increased risk for health consequences from electronic cigarette exposure. Nicotine crosses the placenta and can disrupt brain and lung development in preclinical studies. This article will focus on the physiological and health effects associated with primary or secondhand exposure to electronic cigarettes. It is expected that with ongoing availability of electronic cigarettes as well as the accumulation of additional follow-up time for long-term outcomes, the risks associated with exposure will become better clarified. © 2022 American Physiological Society. Compr Physiol 12:3337-3346, 2022.
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Affiliation(s)
- Joseph M Collaco
- Eudowood Division of Pediatric Respiratory Sciences, Johns Hopkins Medical Institutions, Baltimore, Maryland, USA
| | - Sharon A McGrath-Morrow
- Division of Pediatric Pulmonology, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
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Jane Ling MY, Ahmad N, Mohd Yusoff MF, Lim KH. Current e-cigarette use among in-school adolescents in West Malaysia: Examining the interactions between sociodemographic characteristics and lifestyle risk behaviours. PLoS One 2022; 17:e0263355. [PMID: 35100321 PMCID: PMC8803165 DOI: 10.1371/journal.pone.0263355] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 01/16/2022] [Indexed: 11/18/2022] Open
Abstract
Background Adolescent e-cigarette use has increased dramatically. Most e-cigarette liquids contain nicotine, which can harm the developing adolescent brain. Local studies examining the risk factors of adolescent e-cigarette use and interactions between its risk factors are limited. This study was aimed at determining the prevalence of current e-cigarette use and its associated factors among in-school adolescents in West Malaysia. We also examined the possible sociodemographic characteristic, lifestyle risk behaviour and parental factor interactions that affect the probability of current e-cigarette use. Methods We conducted a cross-sectional study using data from the National Health and Morbidity Survey 2017. Respondents aged 13–18 years were included in the study. The data were analysed using STATA (v.15). Results The prevalence of current e-cigarette use was 9.1%. Male gender, older age, Malay ethnicity, schooling in urban area, current smoking, current alcohol use, current drug use, having parents that are not married and living together and parental tobacco product use were significantly associated with current e-cigarette use. There were significant interactions between: i) gender with age, ethnicity, current smoking, current alcohol use and current drug use, ii) ethnicity with current smoking and current alcohol use, iii) locality with ethnicity, current smoking and current alcohol use, iv) current drug use with age, ethnicity, current smoking and current alcohol use, v) parental marital status with gender, age and ethnicity, and vi) parental tobacco use with ethnicity and current smoking. Conclusion Our findings identify significant associations between sociodemographic characteristics, lifestyle risk behaviours and parental factors with current e-cigarette use. They also provide new insight into the interactions between these factors that affect the probability of current e-cigarette use among West Malaysian adolescents. Efforts to tackle e-cigarette use in Malaysian adolescents should target sociodemographic characteristics, lifestyle risk behaviours and parental factors such as smoking cessation intervention for parents.
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Affiliation(s)
- Miaw Yn Jane Ling
- Department of Community Health, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Norfazilah Ahmad
- Department of Community Health, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
- * E-mail:
| | | | - Kuang Hock Lim
- Institute for Medical Research, National Institutes of Health, Ministry of Health Malaysia, Kuala Lumpur, Malaysia
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Shelton CM, Black H, Proctor J, Hagemann TM. A Comprehensive Review of Vaping Use in Pediatric Patients and Recent Changes in Regulatory Laws. J Pediatr Pharmacol Ther 2022; 27:109-119. [DOI: 10.5863/1551-6776-27.2.109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 11/09/2021] [Indexed: 11/11/2022]
Abstract
The use of electronic cigarettes (e-cigarettes), also known as vapes, by adolescents and young adults has dramatically increased over the past several years. E-cigarettes continue to be the most used form of tobacco among youth. As a result of this concerning trend, policies at both the state and federal levels have been implemented to limit availability in this population. Additionally, the coronavirus disease 2019 (COVID-19) pandemic has had some positive and negative effects on the youth vaping epidemic with adolescent consumers reporting limited access to retail sites during the stay-at-home executive orders, but easier access with online purchasing because age verification was often not required. Complications resulting from vaping have been reported and include e-cigarette or vaping product use–associated lung injury (EVALI) and thrombotic events. Data suggest that the use of vaping devices can lead to both short- and long-term respiratory morbidity in the pediatric population. This review serves to provide a comprehensive examination of vaping use in pediatric patients and recent changes in regulatory laws to equip pharmacists with the knowledge to be aware of the different devices and products available, ask their pediatric patients regularly about use, and counsel and educate on the potential harmful effects.
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Affiliation(s)
- Chasity M. Shelton
- Department of Clinical Pharmacy and Translational Science (CMS, TMH), The University of Tennessee Health Science Center, Memphis, TN
| | - Haley Black
- College of Pharmacy (HB, JP), The University of Tennessee Health Science Center, Memphis, TN
| | - Johnathon Proctor
- College of Pharmacy (HB, JP), The University of Tennessee Health Science Center, Memphis, TN
| | - Tracy M. Hagemann
- Department of Clinical Pharmacy and Translational Science (CMS, TMH), The University of Tennessee Health Science Center, Memphis, TN
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Mantey DS, Clendennen SL, Springer AE, Harrell MB. Perceived Parental Knowledge Reduces Risk for Initiation of Nicotine and Cannabis Vaping: A Longitudinal Study of Adolescents. Am J Health Promot 2022; 36:623-632. [PMID: 35030966 DOI: 10.1177/08901171211061941] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
PURPOSE This study examines the role of perceived parental knowledge on initiation of nicotine and cannabis vaping among youth. DESIGN Longitudinal study from a self-administered online survey. Three waves of data collected in 6-month intervals. SETTING 79 public and private schools in Texas. PARTICIPANTS Adolescents who self-reported never using e-cigarette to vape nicotine (n=1907; weighted sample [N] = 304371) or vape cannabis (n=2212; N=351955) at baseline. Participants were in 8th, 10th, and 12th grade at baseline. MEASURES Self-reported measures of nicotine and cannabis vaping. ANALYSES Weighted multivariate logistic regression models examined role of perceived parental knowledge at baseline (Spring 2016) as a predictor of nicotine and cannabis vaping initiation at 6-month (Fall 2016) and 12 month (Spring 2017) follow-up. Covariates were age, sex, race/ethnicity, and other tobacco use. RESULTS Initiation rates were 5.9% for nicotine vaping and 8.6% for cannabis vaping, at 12-month follow-up overall. Higher perceived parental knowledge was associated with lower odds of nicotine vaping initiation at 6 months (adj OR: .69; 95% CI: .50-.93) and 12 months (adj OR: .68; 95% CI: .50-.92). Similarly, higher perceived parental knowledge was associated with lower odds of cannabis vaping initiation at 6 months (adj OR: .58; 95% CI: .38-.87) and 12 months (adj OR: .53; 95% CI: .38-.74). CONCLUSION E-cigarette prevention efforts directed at adolescents should incorporate parent engagement strategies as a method of increasing actual and perceived parental knowledge of their child's location, activities and peer groups.
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Affiliation(s)
- Dale S Mantey
- Department of Health Promotion and Behavioral Science, University of Texas School of Public Health, Austin, TX, USA
| | - Stephanie L Clendennen
- Department of Health Promotion and Behavioral Science, University of Texas School of Public Health, Austin, TX, USA
| | - Andrew E Springer
- Department of Health Promotion and Behavioral Science, University of Texas School of Public Health, Austin, TX, USA
| | - Melissa B Harrell
- Department of Health Promotion and Behavioral Science, University of Texas School of Public Health, Austin, TX, USA
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Sangster-Carrasco L, Blitchtein-Winicki D. Association of lifetime e-cigarette and/or tobacco use and last year cannabis use among university students: A cross-sectional secondary analysis of a national survey. PLOS GLOBAL PUBLIC HEALTH 2022; 2:e0000452. [PMID: 36962355 PMCID: PMC10022225 DOI: 10.1371/journal.pgph.0000452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Accepted: 04/14/2022] [Indexed: 11/18/2022]
Abstract
BACKGROUND The accelerated increase in the use of e-cigarette by university students in recent years has incremented nicotine use in addition to tobacco, but it is not known whether the use of cannabis is related to these alternatives. This study analyzes the association between the use of electronic cigarettes and/or tobacco and the use of cannabis in the last 12 months. An analytical cross-sectional study conducted based on the III Andean epidemiological study on drug consumption among university students in 2016. A multivariate analysis performed using a generalized linear family model and the log Poisson link option. The results were shown as Prevalence Ratios (PR) in raw (PRc) and adjusted (PRa) models, and the analysis also employed 95% confidence intervals (95% CI) for the percentages. SETTING Ten Peruvian universities. PARTICIPANTS University students' lifetime. EXPOSURE Participants' e-cigarette and/or tobacco consumption, based on questions about consumption of tobacco and e-cigarettes. Participants were categorized into those consuming: only e-cigarettes, only tobacco, both, or neither. OUTCOME The use of cannabis by participants in the last 12 months. Among the university students who met the inclusion criteria (n = 3981), the prevalence of using both e-cigarettes and tobacco (dual) throughout life was 11.6% (95% CI: 10.1 to 13.3), and only e-cigarettes was 1.2% (95% CI: 0.7 to 1.8). The use of cannabis in the last 12 months was 5.2% (95% CI: 4.1 to 6.5). Results of this study found a sequential probability gradient of cannabis use, where those with dual use had 58.5 times more probability of having used cannabis in the last 12 months (PRa 58.5, 95% CI: 20.9 to 163.7, p <0.001) compared to those who used none; whereas those who used only tobacco were 33.3 times more likely to have used cannabis in the last 12 months (PRa 33.3, 95% CI: 11.9 to 93.2, p <0.001), those who reported using only e-cigarette had 9.8 times more probability of having used cannabis in the last 12 months (PRa 9.8, 95% CI: 1.6 to 60.4, p = 0.014). We found an increase in the probability of having used cannabis in the last 12 months among university students who reported tobacco and/or e-cigarettes use. A sequential probability gradient was found and it showed that, in comparison to students who informed being nonusers of tobacco and/or e-cigarette, university students who were lifetime dual users were most likely to having used cannabis in the last 12 months, followed by those reporting an exclusive lifetime use of tobacco, as well as those students who reported an exclusive lifetime use of e-cigarettes. It is necessary to raise awareness of the association of tobacco and e-cigarette use with an increased possibility of using cannabis. Studies are needed in different cultural contexts to investigate the progression of electronic cigarette and/or tobacco use, as well as their dosage, intensity of use, concurrent use, and neurological and behavioral mechanisms that are related to the use of cannabis and other illegal drugs that may increase dependence and mental health problems.
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Mamudu HM, Shahani D, Jones A, Ahuja M, Adeniran E, Weierbach F, Swindle J, Liu Y, Keener J, Blair CJ, McNabb M, Asare M, Wood DL, Ferketich A. Exploring Patterns of the Use of Electronic Nicotine Delivery Systems among Adolescents in High-Risk Appalachian (U.S.A) Communities. Subst Use Misuse 2022; 57:167-174. [PMID: 34927538 DOI: 10.1080/10826084.2021.1990333] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Background: Electronic nicotine delivery systems (ENDS) use among adolescents in the United States (U.S.) has surpassed conventional tobacco products (CTPs), including cigarettes. Increasingly, ENDS are used concurrently with CTPs and substances such as cannabis. However, few studies involve Central Appalachia, a region with historically high rates of tobacco and other substance use. Objective: To examine prevalence of concurrent use of ENDS and cannabis among school-going adolescents in Appalachian Tennessee and delineate associations between ENDS use and substance-related risk behavior (cannabis use), social relations (peer use), and school-related risk behavior (academic performance). Methods: Data were obtained from a survey conducted with youth aged 13-17 years in 2018 in a county in Appalachian Tennessee (n = 280). A multivariable logistic regression model was fit to evaluate associations between ENDS and cannabis use, and other factors. Results: Overall, lifetime ENDS and cannabis prevalence estimates were 31.1% and 18.6%, respectively. Lifetime ENDS users had increased odds of also being lifetime cannabis users [OR = 9.22, 95% confidence interval (CI): 3.44-24.75]. Lifetime ENDS users had increased odds of reporting ENDS use among peers [OR = 12.11; 95% CI: 5.40-27.12] and lower academic performance (OR associated with mostly C or D vs. A grades was 4.28, 95% CI: 1.68-10.90). Conclusion: This study found an association between ENDS and cannabis use among adolescents in Appalachian Tennessee exists. Additionally, peer use and academic performance were associated with ENDS use. The findings have implications for public health intervention planning to address not only ENDS but also substance use among Appalachian youth.
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Affiliation(s)
- Hadii M Mamudu
- East Tennessee States University, Johnson City, Tennessee, USA
| | - Disha Shahani
- George Washington University, Washington, District of Columbia, USA
| | - Antwan Jones
- George Washington University, Washington, District of Columbia, USA
| | - Manik Ahuja
- East Tennessee States University, Johnson City, Tennessee, USA
| | - Esther Adeniran
- East Tennessee States University, Johnson City, Tennessee, USA
| | | | - Jean Swindle
- East Tennessee States University, Johnson City, Tennessee, USA
| | - Ying Liu
- East Tennessee States University, Johnson City, Tennessee, USA
| | - Janet Keener
- East Tennessee States University, Johnson City, Tennessee, USA
| | - Cynthia J Blair
- East Tennessee States University, Johnson City, Tennessee, USA
| | | | | | - David L Wood
- East Tennessee States University, Johnson City, Tennessee, USA
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38
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Lim CCW, Sun T, Leung J, Chung JYC, Gartner C, Connor J, Hall W, Chiu V, Stjepanović D, Chan GCK. Prevalence of Adolescent Cannabis Vaping: A Systematic Review and Meta-analysis of US and Canadian Studies. JAMA Pediatr 2022; 176:42-51. [PMID: 34694342 PMCID: PMC8546627 DOI: 10.1001/jamapediatrics.2021.4102] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
IMPORTANCE Vaping products were initially designed to deliver nicotine as a tobacco cigarette substitute (eg, electronic cigarettes) but are now frequently used to deliver psychoactive substances, such as cannabis and its derivatives. Large, nationally representative surveys, such as Monitoring the Future, found that approximately 1 in 3 grade-12 students vaped cannabis in 2018 alone. OBJECTIVE To summarize the findings of epidemiological studies that reported the global prevalence of cannabis vaping in adolescents by survey year and school grades. DATA SOURCES PubMed, PsycINFO, Scopus, and Web of Science were searched systematically on August 19, 2020, for studies published globally between January 1, 2003, and August 19, 2020. STUDY SELECTION Publications that reported the prevalence of cannabis vaping in adolescents in the general population were included. DATA EXTRACTION AND SYNTHESIS Study characteristics and prevalence estimates were extracted from each article. Random-effects meta-analysis based on the DerSimonian and Laird method and meta-regression were performed on lifetime, 12-month, and 30-day prevalence estimates. Meta-regression was also conducted using survey year and school grades as moderators. MAIN OUTCOMES AND MEASURES Prevalence of cannabis vaping. RESULTS Seventeen studies met the eligibility criteria (n = 198 845 adolescents). Although no restrictions were imposed on study location, all 17 studies were from the US and Canada. Across all school grades, the pooled prevalence increased for lifetime use (6.1% in 2013-2016 to 13.6% in 2019-2020), use in the past 12 months (7.2% in 2017-2018 to 13.2% in 2019-2020), and use in the past 30 days (1.6% in 2013-2016 to 8.4% in 2019-2020). Heterogeneity across studies was large. The limited evidence from studies using similar survey and study designs suggested that adolescents' preference for cannabis products other than dried herbs, which usually contain higher Δ9-tetrahydrocannabinol levels, may have shifted over time. CONCLUSIONS AND RELEVANCE The findings of this study suggest that the prevalence of cannabis vaping has increased among adolescents in the US and Canada and that more effective preventive and response measures are required. TRIAL REGISTRATION PROSPERO Identifier: CRD42020219644.
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Affiliation(s)
- Carmen C. W. Lim
- National Centre for Youth Substance Use Research, Faculty of Health and Behavioural Sciences, The University of Queensland, St Lucia, Queensland, Australia,School of Psychology, Faculty of Health and Behavioural Sciences, The University of Queensland, St Lucia, Queensland, Australia
| | - Tianze Sun
- National Centre for Youth Substance Use Research, Faculty of Health and Behavioural Sciences, The University of Queensland, St Lucia, Queensland, Australia,School of Psychology, Faculty of Health and Behavioural Sciences, The University of Queensland, St Lucia, Queensland, Australia
| | - Janni Leung
- National Centre for Youth Substance Use Research, Faculty of Health and Behavioural Sciences, The University of Queensland, St Lucia, Queensland, Australia,School of Psychology, Faculty of Health and Behavioural Sciences, The University of Queensland, St Lucia, Queensland, Australia
| | - Jack Y. C. Chung
- National Centre for Youth Substance Use Research, Faculty of Health and Behavioural Sciences, The University of Queensland, St Lucia, Queensland, Australia,School of Psychology, Faculty of Health and Behavioural Sciences, The University of Queensland, St Lucia, Queensland, Australia
| | - Coral Gartner
- National Health and Medical Research Council Centre of Research Excellence on Achieving the Tobacco Endgame, School of Public Health, Faculty of Medicine, The University of Queensland, Herston, Queensland, Australia
| | - Jason Connor
- National Centre for Youth Substance Use Research, Faculty of Health and Behavioural Sciences, The University of Queensland, St Lucia, Queensland, Australia,Discipline of Psychiatry, Faculty of Medicine, The University of Queensland, Herston, Queensland, Australia
| | - Wayne Hall
- National Centre for Youth Substance Use Research, Faculty of Health and Behavioural Sciences, The University of Queensland, St Lucia, Queensland, Australia,Queensland Alliance for Environmental Health Sciences, The University of Queensland, St Lucia, Queensland, Australia
| | - Vivian Chiu
- National Centre for Youth Substance Use Research, Faculty of Health and Behavioural Sciences, The University of Queensland, St Lucia, Queensland, Australia,School of Psychology, Faculty of Health and Behavioural Sciences, The University of Queensland, St Lucia, Queensland, Australia
| | - Daniel Stjepanović
- National Centre for Youth Substance Use Research, Faculty of Health and Behavioural Sciences, The University of Queensland, St Lucia, Queensland, Australia
| | - Gary C. K. Chan
- National Centre for Youth Substance Use Research, Faculty of Health and Behavioural Sciences, The University of Queensland, St Lucia, Queensland, Australia
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Abstract
Purpose of Review The purpose of this review was to describe the state-of-the-literature on research specific to cannabis vaping among youth and young adults. Recent Findings Out of 1801 records identified, a total of 202 articles met eligibility criteria for inclusion in this review. Most of this literature (46.0% of studies) was specific to the health effects of cannabis vaping, particularly EVALI (e-cigarette and vaping associated lung injury). Other research areas identified in the review included the etiology (24.3%) and epidemiology (24.8%) of cannabis vaping, in addition to articles on regulation (8.4%) and marketing (5.5%) of the same. Summary Cannabis vaping is increasingly common among youth and young adults and more prevalent is settings where recreational use for adults has been legalized. The literature documents a number of negative health effects of cannabis vaping for young people, along with risk factors and reasons for the same. Supplementary Information The online version contains supplementary material available at 10.1007/s40429-022-00413-y.
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40
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Clawson AH, Ruppe NM, Nwankwo CN, Blair AL. Profiles of Nicotine and Cannabis Exposure among Young Adults with Asthma. Behav Med 2022; 48:18-30. [PMID: 32703091 DOI: 10.1080/08964289.2020.1763904] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Revised: 04/08/2020] [Accepted: 04/28/2020] [Indexed: 12/18/2022]
Abstract
There is a paucity of data on nicotine and cannabis use among young adults (YAs) with asthma. This study aimed to do the following among YAs with asthma: (1) describe YAs' active and passive exposure to nicotine and cannabis; (2) identify latent classes of active use of nicotine and cannabis; and (3) explore predictors of class membership (i.e., demographics, parental and friend use of nicotine and cannabis, and hours of environmental exposure to tobacco smoke, e-cigarette vapor, and marijuana smoke). YAs with asthma (N = 178) self-reported on nicotine and cannabis exposure and the included covariates. Latent class analysis was used to identify latent classes of lifetime nicotine and cannabis use. High rates of nicotine and cannabis use among YAs with asthma were found: 37% reporting a lifetime history of using both nicotine and cannabis. Regarding past year use, 25% had smoked cigarettes, 40% had used e-cigarettes, and 35% had used cannabis. Five classes of lifetime use were identified. The largest class was a non-user class (53%); the other four classes indicate concerning patterns of nicotine and cannabis use. The most consistent predictor of being in a class characterized by more nicotine and cannabis exposure (versus being in the non-user class) was past week exposure to cannabis smoke. This is the first study to identify classes of lifetime nicotine and cannabis use, and examine predictors of class membership, among YAs with asthma. There is a critical need to address environmental and active tobacco and marijuana exposure among YAs with asthma.
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Affiliation(s)
- Ashley H Clawson
- Center for Pediatric Psychology, Department of Psychology, Oklahoma State University, Stillwater, Oklahoma, USA
| | - Nicole M Ruppe
- Center for Pediatric Psychology, Department of Psychology, Oklahoma State University, Stillwater, Oklahoma, USA
| | - Cara N Nwankwo
- Center for Pediatric Psychology, Department of Psychology, Oklahoma State University, Stillwater, Oklahoma, USA
| | - Alexandra L Blair
- Center for Pediatric Psychology, Department of Psychology, Oklahoma State University, Stillwater, Oklahoma, USA
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41
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Bhatia D, Hinckley J, Mikulich S, Sakai J. Cannabis Legalization and Adolescent Use of Electronic Vapor Products, Cannabis, and Cigarettes. J Addict Med 2022; 16:e16-e22. [PMID: 35120066 DOI: 10.1097/adm.0000000000000831] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
OBJECTIVES Cannabis legalization may have unintended consequences, such as effects on prevalence of adolescent use of other substances. We hypothesize that in states that have legalized recreational cannabis (RCL states), electronic vapor product use ("vaping"), cannabis, and cigarette use among adolescents is more prevalent than in states that have only legalized medical cannabis (MCL states) and states that have neither legalized recreational nor medical cannabis (NL states). METHODS Data are from the Center for Disease Control's 2017 Youth Risk Behavior Surveillance Survey (n = 107,665), a nationally representative survey of US high school students. We categorized student responses by cannabis legalization status of the state in which they lived at time of survey, then tested associations between cannabis legalization status and adolescent vaping, cannabis, and cigarette use, using logistic regressions. RESULTS Students in RCL states were significantly more likely to report current vaping behaviors compared to NL students [odds ratios (OR's) 2.07-2.21]. Students in cannabis-legal states were significantly more likely to report ever or currently using cannabis compared to NL students (OR's 1.27-1.40). MCL students were significantly less likely to report current cigarette smoking (OR = 0.86) compared to NL students. CONCLUSIONS Adolescents in cannabis-legal states were more likely to report vaping and cannabis use compared to adolescents in NL states. Public health officials, policymakers, and clinicians should consider the associations between cannabis legalization and adolescent vaping, cigarette, and cannabis use patterns.
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Affiliation(s)
- Devika Bhatia
- University of Colorado Anschutz Medical Campus, Aurora, CO (DB, JH, SM, JS)
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42
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Baglot SL, Hume C, Petrie GN, Aukema RJ, Lightfoot SHM, Grace LM, Zhou R, Parker L, Rho JM, Borgland SL, McLaughlin RJ, Brechenmacher L, Hill MN. Pharmacokinetics and central accumulation of delta-9-tetrahydrocannabinol (THC) and its bioactive metabolites are influenced by route of administration and sex in rats. Sci Rep 2021; 11:23990. [PMID: 34907248 PMCID: PMC8671514 DOI: 10.1038/s41598-021-03242-7] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 11/29/2021] [Indexed: 11/10/2022] Open
Abstract
Up to a third of North Americans report using cannabis in the prior month, most commonly through inhalation. Animal models that reflect human consumption are critical to study the impact of cannabis on brain and behaviour. Most animal studies to date utilize injection of delta-9-tetrahydrocannabinol (THC; primary psychoactive component of cannabis). THC injections produce markedly different physiological and behavioural effects than inhalation, likely due to distinctive pharmacokinetics. The current study directly examined if administration route (injection versus inhalation) alters metabolism and central accumulation of THC and metabolites over time. Adult male and female Sprague–Dawley rats received either an intraperitoneal injection or a 15-min session of inhaled exposure to THC. Blood and brains were collected at 15, 30, 60, 90 and 240-min post-exposure for analysis of THC and metabolites. Despite achieving comparable peak blood THC concentrations in both groups, our results indicate higher initial brain THC concentration following inhalation, whereas injection resulted in dramatically higher 11-OH-THC concentration, a potent THC metabolite, in blood and brain that increased over time. Our results provide evidence of different pharmacokinetic profiles following inhalation versus injection. Accordingly, administration route should be considered during data interpretation, and translational animal work should strongly consider using inhalation models.
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Affiliation(s)
- Samantha L Baglot
- Hotchkiss Brain Institute
- Mathison Centre for Mental Health Research & Education, University of Calgary, Calgary, AB, Canada. .,Graduate Program in Neurscience, University of Calgary, Calgary, AB, Canada.
| | - Catherine Hume
- Hotchkiss Brain Institute
- Mathison Centre for Mental Health Research & Education, University of Calgary, Calgary, AB, Canada.,Department of Cell Biology & Anatomy
- Department of Psychiatry, University of Calgary, Calgary, AB, Canada
| | - Gavin N Petrie
- Hotchkiss Brain Institute
- Mathison Centre for Mental Health Research & Education, University of Calgary, Calgary, AB, Canada.,Graduate Program in Neurscience, University of Calgary, Calgary, AB, Canada
| | - Robert J Aukema
- Hotchkiss Brain Institute
- Mathison Centre for Mental Health Research & Education, University of Calgary, Calgary, AB, Canada.,Graduate Program in Neurscience, University of Calgary, Calgary, AB, Canada
| | - Savannah H M Lightfoot
- Hotchkiss Brain Institute
- Mathison Centre for Mental Health Research & Education, University of Calgary, Calgary, AB, Canada.,Graduate Program in Neurscience, University of Calgary, Calgary, AB, Canada
| | - Laine M Grace
- Hotchkiss Brain Institute
- Mathison Centre for Mental Health Research & Education, University of Calgary, Calgary, AB, Canada
| | - Ruokun Zhou
- Southern Alberta Mass Spectrometry (SAMS) Facility, University of Calgary, Calgary, AB, Canada
| | - Linda Parker
- Department of Psychology and Collaborative Neuroscience Program, University of Guelph, Guelph, Canada
| | - Jong M Rho
- Departments of Neurosciences and Pediatrics, University of California San Diego, and Rady Children's Hospital San Diego, San Diego, CA, USA
| | - Stephanie L Borgland
- Hotchkiss Brain Institute
- Mathison Centre for Mental Health Research & Education, University of Calgary, Calgary, AB, Canada.,Department of Physiology and Pharmacology, University of Calgary, Calgary, AB, Canada
| | - Ryan J McLaughlin
- Department of Integrative Physiology and Neuroscience, Washington State University, Pullman, WA, USA
| | - Laurent Brechenmacher
- Southern Alberta Mass Spectrometry (SAMS) Facility, University of Calgary, Calgary, AB, Canada
| | - Matthew N Hill
- Hotchkiss Brain Institute
- Mathison Centre for Mental Health Research & Education, University of Calgary, Calgary, AB, Canada. .,Department of Cell Biology & Anatomy
- Department of Psychiatry, University of Calgary, Calgary, AB, Canada.
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Morean ME, Davis DR, Kong G, Bold KW, Camenga DR, Suttiratana S, Lee J, Rajeshkumar L, Krishnan-Sarin S. Demographic and substance use-related differences among high school adolescents who vape cannabis versus use other cannabis modalities. Drug Alcohol Depend 2021; 228:109104. [PMID: 34607191 PMCID: PMC8595758 DOI: 10.1016/j.drugalcdep.2021.109104] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 09/07/2021] [Accepted: 09/22/2021] [Indexed: 11/28/2022]
Abstract
BACKGROUND Vaping is the second most common modality of using cannabis following smoking. We examined differences in demographics and substance use behaviors between adolescent cannabis vapers and those exclusively using other cannabis modalities. METHODS In 2019, 4875 students from six Connecticut high schools completed school-wide, online surveys. Past-month cannabis users (n = 931; 52.8% female, 16.38(1.27) years old, 44.9% non-Hispanic White) reported on cannabis modalities used (e.g., combustible, vaporizable, edible) and were classified as cannabis vapers or non-vapers. Cannabis vapers reported on device type used to vape cannabis: a cannabis-specific device or modified/hacked e-cigarette. Unadjusted and adjusted relationships were examined to identify demographic and substance-related differences between cannabis vapers and non-vapers. RESULTS 56.3% of past-month cannabis users reported vaping cannabis. Cannabis vapers reported using both cannabis-specific vaporizers (91.9%) and modifying/hacking e-cigarettes (23.7%). Cannabis vapers, relative to other cannabis users, were more likely to be male, White, initiate cannabis use at a younger age; endorse past-month use of all cannabis modalities, alcohol, and e-cigarettes; and report smoking and dabbing cannabis more frequently; consuming more drinks per drinking day; and using e-cigarettes at a younger age and more frequently. CONCLUSIONS Relative to other cannabis modalities, vaping was associated with increased use of several cannabis products and other substances. Adolescent past-month cannabis users reported modifying e-cigarettes to vape cannabis. Findings suggest that regulations should be implemented to prevent e-cigarettes from being modifiable for use with cannabis and highlight the importance of assessing different cannabis use modalities, as vaping was associated with distinct substance-related risks.
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Affiliation(s)
- Meghan E. Morean
- Yale School of Medicine, Dept. of Psychiatry, 34 Park Street, New Haven, CT, 06519, USA,Corresponding author:
| | - Danielle R. Davis
- Yale School of Medicine, Dept. of Psychiatry, 34 Park Street, New Haven, CT, 06519, USA
| | - Grace Kong
- Yale School of Medicine, Dept. of Psychiatry, 34 Park Street, New Haven, CT 06519, USA.
| | - Krysten W. Bold
- Yale School of Medicine, Dept. of Psychiatry, 34 Park Street, New Haven, CT, 06519, USA
| | - Deepa R. Camenga
- Yale School of Medicine, Dept. of Emergency Medicine, 464 Congress Avenue (Suite 260), New Haven, CT, 06519, USA
| | - Sakinah Suttiratana
- Yale School of Public Health, Dept. of Chronic Disease Epidemiology, 60 College Street, New Haven, CT 06520, USA.
| | - Juhan Lee
- Yale School of Medicine, Dept. of Psychiatry, 34 Park Street, New Haven, CT 06519, USA.
| | - Lavanya Rajeshkumar
- Yale School of Medicine, Dept. of Psychiatry, 34 Park Street, New Haven, CT 06519, USA.
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Oh H, Banawa R, Lee JO, Zhou S, Huh J. Vaping and psychotic experiences among college students in the United States. Drug Alcohol Depend 2021; 227:108987. [PMID: 34488073 DOI: 10.1016/j.drugalcdep.2021.108987] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 08/02/2021] [Accepted: 08/04/2021] [Indexed: 11/16/2022]
Abstract
AIM While cigarette and marijuana use has been linked to psychotic experiences, few empirical studies have examined the relation between vaping and psychotic experiences. METHODS We analyzed data from the Healthy Minds Survey (September 2020 - December 2020; N = 29,232 students from 36 universities), and used multiple logistic regression models to examine the associations between vaping over the past 30 days and psychotic experiences over the past 12 months, adjusting for age, gender, and race/ethnicity. We then additionally adjusted for cigarette and marijuana use, as well as depression and anxiety. RESULTS Roughly 14 % of students in the sample reported psychotic experiences over the past year, and around 14-15 % of students reported vaping over the past month. In multiple logistic regression models, vaping was significantly associated with psychotic experiences (aOR 1.88; 95 % CI: 1.63-2.18). This association attenuated but remained statistically significant even after adjusting for any cigarette use and marijuana use, and after adjusting for depression and anxiety. CONCLUSIONS Among college students, vaping was significantly associated with psychotic experiences, even after accounting for simple measures of cigarette and marijuana use, and mental health problems, calling for more prospective studies to examine the association.
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Affiliation(s)
- Hans Oh
- Suzanne Dworak Peck School of Social Work, University of Southern California, 1149 Hill St Suite 1422, Los Angeles, CA 90015, United States.
| | - Rachel Banawa
- Fielding School of Public Health, University of California, Los Angeles, United States
| | - Jungeun Olivia Lee
- Suzanne Dworak Peck School of Social Work, University of Southern California, 1149 Hill St Suite 1422, Los Angeles, CA 90015, United States
| | - Sasha Zhou
- Department of Public Health, Wayne State University, United States
| | - Jimi Huh
- Keck School of Medicine, University of Southern California, United States
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Bonner E, Chang Y, Christie E, Colvin V, Cunningham B, Elson D, Ghetu C, Huizenga J, Hutton SJ, Kolluri SK, Maggio S, Moran I, Parker B, Rericha Y, Rivera BN, Samon S, Schwichtenberg T, Shankar P, Simonich MT, Wilson LB, Tanguay RL. The chemistry and toxicology of vaping. Pharmacol Ther 2021; 225:107837. [PMID: 33753133 PMCID: PMC8263470 DOI: 10.1016/j.pharmthera.2021.107837] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 02/19/2021] [Accepted: 03/01/2021] [Indexed: 12/20/2022]
Abstract
Vaping is the process of inhaling and exhaling an aerosol produced by an e-cigarette, vape pen, or personal aerosolizer. When the device contains nicotine, the Food and Drug Administration (FDA) lists the product as an electronic nicotine delivery system or ENDS device. Similar electronic devices can be used to vape cannabis extracts. Over the past decade, the vaping market has increased exponentially, raising health concerns over the number of people exposed and a nationwide outbreak of cases of severe, sometimes fatal, lung dysfunction that arose suddenly in otherwise healthy individuals. In this review, we discuss the various vaping technologies, which are remarkably diverse, and summarize the use prevalence in the U.S. over time by youths and adults. We examine the complex chemistry of vape carrier solvents, flavoring chemicals, and transformation products. We review the health effects from epidemiological and laboratory studies and, finally, discuss the proposed mechanisms underlying some of these health effects. We conclude that since much of the research in this area is recent and vaping technologies are dynamic, our understanding of the health effects is insufficient. With the rapid growth of ENDS use, consumers and regulatory bodies need a better understanding of constituent-dependent toxicity to guide product use and regulatory decisions.
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Affiliation(s)
- Emily Bonner
- Department of Environmental and Molecular Toxicology, Sinnhuber Aquatic Research Laboratory, Environmental Health Sciences Center, Oregon State University, Corvallis, OR, USA
| | - Yvonne Chang
- Department of Environmental and Molecular Toxicology, Sinnhuber Aquatic Research Laboratory, Environmental Health Sciences Center, Oregon State University, Corvallis, OR, USA
| | - Emerson Christie
- Department of Environmental and Molecular Toxicology, Sinnhuber Aquatic Research Laboratory, Environmental Health Sciences Center, Oregon State University, Corvallis, OR, USA
| | - Victoria Colvin
- Department of Environmental and Molecular Toxicology, Sinnhuber Aquatic Research Laboratory, Environmental Health Sciences Center, Oregon State University, Corvallis, OR, USA
| | - Brittany Cunningham
- Department of Environmental and Molecular Toxicology, Sinnhuber Aquatic Research Laboratory, Environmental Health Sciences Center, Oregon State University, Corvallis, OR, USA
| | - Daniel Elson
- Department of Environmental and Molecular Toxicology, Sinnhuber Aquatic Research Laboratory, Environmental Health Sciences Center, Oregon State University, Corvallis, OR, USA
| | - Christine Ghetu
- Department of Environmental and Molecular Toxicology, Sinnhuber Aquatic Research Laboratory, Environmental Health Sciences Center, Oregon State University, Corvallis, OR, USA
| | - Juliana Huizenga
- Department of Environmental and Molecular Toxicology, Sinnhuber Aquatic Research Laboratory, Environmental Health Sciences Center, Oregon State University, Corvallis, OR, USA
| | - Sara J Hutton
- Department of Environmental and Molecular Toxicology, Sinnhuber Aquatic Research Laboratory, Environmental Health Sciences Center, Oregon State University, Corvallis, OR, USA
| | - Siva K Kolluri
- Department of Environmental and Molecular Toxicology, Sinnhuber Aquatic Research Laboratory, Environmental Health Sciences Center, Oregon State University, Corvallis, OR, USA
| | - Stephanie Maggio
- Department of Environmental and Molecular Toxicology, Sinnhuber Aquatic Research Laboratory, Environmental Health Sciences Center, Oregon State University, Corvallis, OR, USA
| | - Ian Moran
- Department of Environmental and Molecular Toxicology, Sinnhuber Aquatic Research Laboratory, Environmental Health Sciences Center, Oregon State University, Corvallis, OR, USA
| | - Bethany Parker
- Department of Environmental and Molecular Toxicology, Sinnhuber Aquatic Research Laboratory, Environmental Health Sciences Center, Oregon State University, Corvallis, OR, USA
| | - Yvonne Rericha
- Department of Environmental and Molecular Toxicology, Sinnhuber Aquatic Research Laboratory, Environmental Health Sciences Center, Oregon State University, Corvallis, OR, USA
| | - Brianna N Rivera
- Department of Environmental and Molecular Toxicology, Sinnhuber Aquatic Research Laboratory, Environmental Health Sciences Center, Oregon State University, Corvallis, OR, USA
| | - Samantha Samon
- Department of Environmental and Molecular Toxicology, Sinnhuber Aquatic Research Laboratory, Environmental Health Sciences Center, Oregon State University, Corvallis, OR, USA
| | - Trever Schwichtenberg
- Department of Environmental and Molecular Toxicology, Sinnhuber Aquatic Research Laboratory, Environmental Health Sciences Center, Oregon State University, Corvallis, OR, USA
| | - Prarthana Shankar
- Department of Environmental and Molecular Toxicology, Sinnhuber Aquatic Research Laboratory, Environmental Health Sciences Center, Oregon State University, Corvallis, OR, USA
| | - Michael T Simonich
- Department of Environmental and Molecular Toxicology, Sinnhuber Aquatic Research Laboratory, Environmental Health Sciences Center, Oregon State University, Corvallis, OR, USA
| | - Lindsay B Wilson
- Department of Environmental and Molecular Toxicology, Sinnhuber Aquatic Research Laboratory, Environmental Health Sciences Center, Oregon State University, Corvallis, OR, USA
| | - Robyn L Tanguay
- Department of Environmental and Molecular Toxicology, Sinnhuber Aquatic Research Laboratory, Environmental Health Sciences Center, Oregon State University, Corvallis, OR, USA.
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46
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Cherian C, Buta E, Simon P, Gueorguieva R, Krishnan-Sarin S. Association of Vaping and Respiratory Health among Youth in the Population Assessment of Tobacco and Health (PATH) Study Wave 3. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:8208. [PMID: 34360499 PMCID: PMC8346152 DOI: 10.3390/ijerph18158208] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 07/23/2021] [Accepted: 07/27/2021] [Indexed: 12/25/2022]
Abstract
The purpose of this study is to evaluate the association of electronic nicotine product (ENP) use and its respiratory manifestations in a nationally representative sample of adolescents in the US. Cross-sectional evidence from 9750 adolescents in wave 3 (October 2015-October 2016) of the Population Assessment of Tobacco and Health (PATH) survey was used. Adjusting for demographics, lifetime number of cigarettes and cigars used, home rules about tobacco use, and tobacco used by other household members, we used logistic regression models to examine associations between ENP use and its respiratory manifestations in the past year. Among 9750 adolescents, 12% (n = 1105) used ENP in the past year. Compared to non-users, past-year ENP-users had 37% higher odds of wheezing in general (Adjusted Odds Ratio (AOR) = 1.37, 95% Confidence interval (CI): 1.11-1.71, p = 0.005) and higher odds of wheezing 4-12 times or >12 times per year versus no wheezing (AOR = 1.57, 95% CI: 1.01-2.46, p = 0.05 and AOR = 2.58, 95% CI: 1.04-6.41, p = 0.04, respectively). Additionally, odds of dry cough at night were 23% higher among ENP-users than among non-users (AOR = 1.23, 95% CI: 1.04-1.46, p = 0.02). There was no association between past-year ENP use and exercise-induced wheezing or asthma diagnosis. Among those with asthma, there was no evidence of an association between ENP use and long-acting inhaler or quick-relief inhaler use. ENP use among adolescents is associated with increased frequency of wheezing and dry cough. Early recognition of pulmonary clinical manifestations among young ENP users should be critical considerations in regulatory and prevention efforts to protect public health, and clinical efforts to prevent progression to serious pulmonary complications.
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Affiliation(s)
- Christie Cherian
- Pediatric Pulmonology, Yale School of Medicine, Yale University, New Haven, CT 06510, USA;
| | - Eugenia Buta
- Yale Center for Analytical Sciences, Yale School of Public Health, Yale University, New Haven, CT 06510, USA;
| | - Patricia Simon
- Department of Psychiatry, Yale School of Medicine, Yale University, New Haven, CT 06510, USA;
| | - Ralitza Gueorguieva
- Department of Biostatistics, Yale School of Public Health, Yale University, New Haven, CT 06510, USA;
| | - Suchitra Krishnan-Sarin
- Department of Psychiatry, Yale School of Medicine, Yale University, New Haven, CT 06510, USA;
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47
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Ebrahimi Kalan M, Jebai R, Bursac Z, Popova L, Gautam P, Li W, Alqahtani MM, Taskin T, Atwell LL, Richards J, Ward KD, Behaleh R, Ben Taleb Z. Trends and Factors Related to Blunt Use in Middle and High School Students, 2010-2020. Pediatrics 2021; 148:peds.2020-028159. [PMID: 34127552 DOI: 10.1542/peds.2020-028159] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/16/2021] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND AND OBJECTIVES Blunt use is a popular mode of marijuana consumption among adolescents in the United States, but little is known about how its prevalence has changed over time or factors associated with its use. With this study, we assessed trends and correlates of past (ever used but not in the past 30 days) and current (used in past 30 days) blunt use among adolescents in Florida. METHODS We analyzed data from 2010-2020 cross-sectional, statewide representative Florida Youth Tobacco Surveys that comprised 461 706 middle and high schoolers using Joinpoint to calculate annual percentage change (APC) in the weighted prevalence of past and current blunt use. A weighted multivariable regression model was developed by using 2019-2020 Florida Youth Tobacco Survey data to examine the factors associated with past and current blunt use. RESULTS Whereas the prevalence of past (APC = -5.32%) and current (APC = -5.28%) blunt use significantly decreased from 2010 to 2015, an increasing trend in current use prevalence (APC = 14.91%) was observed from 2015 to 2018 and has been approximately constant ever since. Similar increasing trends were observed in current blunt use among female students (APC = 14.92%), middle schoolers (19.57%), and non-Hispanic (NH) white students (APC = 11.12%) from 2016 to 2020. Several factors were consistently associated with greater odds of both past and current blunt use for both middle and high schoolers, including older age, being NH Black (versus NH white), past and current use of cigarettes, electronic cigarettes, hookah, cigars, and ever vaping marijuana. CONCLUSIONS Although blunt use among Florida youth decreased from 2010 to 2015, substantial increases were observed since 2015, suggesting that existing tobacco control programs should incorporate marijuana (and blunt) modules into existing tobacco and nicotine prevention programs.
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Affiliation(s)
| | | | - Zoran Bursac
- Biostatistics, Robert Stempel College of Public Health and Social Work, Florida International University, Miami, Florida
| | - Lucy Popova
- Department of Health Policy and Behavioral Sciences, School of Public Health, Georgia State University, Atlanta, Georgia
| | | | - Wei Li
- Departments of Epidemiology
| | - Mohammed M Alqahtani
- Rehabilitation Science Program, School of Health Professions, The University of Alabama at Birmingham, Birmingham, Alabama
| | | | | | | | - Kenneth D Ward
- School of Public Health, The University of Memphis, Memphis, Tennessee
| | - Raed Behaleh
- Department of Public Health and Prevention Sciences, College of Education and Health Sciences, Baldwin Wallace University, Berea, Ohio
| | - Ziyad Ben Taleb
- Public Health Program, Department of Kinesiology, College of Nursing and Health Innovation, The University of Texas at Arlington, Arlington, Texas
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48
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Sholler DJ, Strickland JC, Spindle TR, Weerts EM, Vandrey R. Sex differences in the acute effects of oral and vaporized cannabis among healthy adults. Addict Biol 2021; 26:e12968. [PMID: 32985064 PMCID: PMC8855307 DOI: 10.1111/adb.12968] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 08/27/2020] [Accepted: 09/02/2020] [Indexed: 01/12/2023]
Abstract
Policy changes have increased access to cannabis for individuals with little or no prior exposure. Few studies have examined sex differences in cannabis effects among individuals with sporadic cannabis use or for nonsmoked routes of cannabis administration. Data from four double-blind, placebo-controlled studies were pooled to compare the acute pharmacodynamic effects of vaporized and oral cannabis in male (n = 27) and female (n = 23) participants who used cannabis infrequently (no use ≥30 days prior to randomization). Analyses compared peak change-from-baseline scores between male and female participants for subjective drug effects, cognitive/psychomotor performance, cardiovascular effects, and blood concentrations of Δ9-tetrahydrocannabinol (THC) and its primary metabolites (11-OH-THC, THC-COOH) after exposure to placebo cannabis or cannabis containing low-dose (5 or 10 mg) or high-dose THC (20 or 25 mg). Overall, cannabis elicited dose-orderly increases in subjective effects, impairment of cognitive/psychomotor performance, heart rate, and blood cannabinoid concentrations. Females exhibited greater peak blood 11-OH-THC concentrations and reported greater peak subjective ratings of "drug effect" that remained when controlling for body weight. When controlling for both body weight and peak blood cannabinoid concentrations, ratings of "anxious/nervous," "heart racing," and "restless" were significantly higher for females than males. Although additional research is needed to elucidate sex differences in responses to cannabis at a wider range of THC doses, other routes of administration, and products with diverse chemical composition, the current data indicate that public health messaging and clinical decision making around the use of cannabinoids should recommend lower starting doses for females and warnings about acute anxiogenic reactions.
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Affiliation(s)
- Dennis J Sholler
- Behavioral Pharmacology Research Unit, Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Justin C Strickland
- Behavioral Pharmacology Research Unit, Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Tory R Spindle
- Behavioral Pharmacology Research Unit, Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Elise M Weerts
- Behavioral Pharmacology Research Unit, Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Ryan Vandrey
- Behavioral Pharmacology Research Unit, Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
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49
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Jacobs W, Idoko E, Montgomery L, Smith ML, Merianos AL. Concurrent E-cigarette and marijuana use and health-risk behaviors among U.S. high school students. Prev Med 2021; 145:106429. [PMID: 33476680 PMCID: PMC8194044 DOI: 10.1016/j.ypmed.2021.106429] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 01/13/2021] [Accepted: 01/16/2021] [Indexed: 12/28/2022]
Abstract
The use of electronic cigarettes (e-cigarettes) and marijuana remain prevalent problems among adolescents nationwide. We assessed current (past 30-day) exclusive e-cigarette use, exclusive marijuana use, and concurrent use with unintentional injury and violent behaviors, alcohol and other drug use behaviors, and sexual behaviors among U.S. high school students. We analyzed 2017 Youth Risk Behavior Survey data including 12,578 high school students nationwide. Multivariable logistic regression models were performed to compare these health-risk behaviors among exclusive e-cigarette users, exclusive marijuana users, and concurrent users with non-users among the overall sample, and then to compare exclusive e-cigarette users and exclusive marijuana users with concurrent users among current users only. All models adjusted for adolescent sex, grade, and race/ethnicity, and other tobacco product use. Approximately 77% of students were non-users, 5.2% were exclusive e-cigarette users, 9.9% were exclusive marijuana users, and 7.8% were concurrent users. Compared to non-users, exclusive e-cigarette users and exclusive marijuana users were more likely to engage in most negative health-risk behaviors associated with unintentional injuries and violence, alcohol and other drug use, and sexual behaviors. Among current users only, exclusive e-cigarette users and exclusive marijuana users were at reduced odds of engaging in most of these health-risk behaviors when compared to concurrent users of both substances. The relationship between exclusive and concurrent e-cigarette and marijuana use and health-risk behaviors highlights the importance of comprehensive educational efforts during high school. Findings suggest need for more studies on influence of e-cigarette and marijuana use on injury and violence risk among youth.
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Affiliation(s)
- Wura Jacobs
- Department of Kinesiology, California State University, Stanislaus, One University Circle, Turlock, CA 95382, USA.
| | - Ehikowoicho Idoko
- Department of Health and Kinesiology, Texas A&M University, 2929 Research Parkway, College Station, TX 77843, USA.
| | - LaTrice Montgomery
- Department of Psychiatry and Behavioral Neuroscience, University of Cincinnati, P.O. Box 670559, Cincinnati, OH 45267, USA.
| | - Matthew Lee Smith
- Center for Population Health and Aging, Texas A&M University, 212 Adriance Lab, College Station, TX 77843, USA; School of Public Health, Texas A&M University, 212 Adriance Lab, College Station, TX 77843, USA.
| | - Ashley L Merianos
- School of Human Services, University of Cincinnati, P.O. Box 210068, Cincinnati, OH 45221, USA.
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50
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Toxicology of flavoring- and cannabis-containing e-liquids used in electronic delivery systems. Pharmacol Ther 2021; 224:107838. [PMID: 33746051 DOI: 10.1016/j.pharmthera.2021.107838] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 03/11/2021] [Indexed: 12/15/2022]
Abstract
Electronic cigarettes (e-cigarettes) were introduced in the United States in 2007 and by 2014 they were the most popular tobacco product amongst youth and had overtaken use of regular tobacco cigarettes. E-cigarettes are used to aerosolize a liquid (e-liquid) that the user inhales. Flavorings in e-liquids is a primary reason for youth to initiate use of e-cigarettes. Evidence is growing in the scientific literature that inhalation of some flavorings is not without risk of harm. In this review, 67 original articles (primarily cellular in vitro) on the toxicity of flavored e-liquids were identified in the PubMed and Scopus databases and evaluated critically. At least 65 individual flavoring ingredients in e-liquids or aerosols from e-cigarettes induced toxicity in the respiratory tract, cardiovascular and circulatory systems, skeletal system, and skin. Cinnamaldehyde was most frequently reported to be cytotoxic, followed by vanillin, menthol, ethyl maltol, ethyl vanillin, benzaldehyde and linalool. Additionally, modern e-cigarettes can be modified to aerosolize cannabis as dried plant material or a concentrated extract. The U.S. experienced an outbreak of lung injuries, termed e-cigarette, or vaping, product use-associated lung injury (EVALI) that began in 2019; among 2,022 hospitalized patients who had data on substance use (as of January 14, 2020), 82% reported using a delta-9-tetrahydrocannabinol (main psychoactive component in cannabis) containing e-cigarette, or vaping, product. Our literature search identified 33 articles related to EVALI. Vitamin E acetate, a diluent and thickening agent in cannabis-based products, was strongly linked to the EVALI outbreak in epidemiologic and laboratory studies; however, e-liquid chemistry is highly complex, and more than one mechanism of lung injury, ingredient, or thermal breakdown product may be responsible for toxicity. More research is needed, particularly with regard to e-cigarettes (generation, power settings, etc.), e-liquids (composition, bulk or vaped form), modeled systems (cell type, culture type, and dosimetry metrics), biological monitoring, secondhand exposures and contact with residues that contain nicotine and flavorings, and causative agents and mechanisms of EVALI toxicity.
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