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Sandbrink JD, Johnson K, Gill M, Yaden DB, Savulescu J, Hannikainen IR, Earp BD. Strong Bipartisan Support for Controlled Psilocybin Use as Treatment or Enhancement in a Representative Sample of US Americans: Need for Caution in Public Policy Persists. AJOB Neurosci 2024; 15:82-89. [PMID: 38315212 DOI: 10.1080/21507740.2024.2303154] [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: 02/07/2024]
Abstract
The psychedelic psilocybin has shown promise both as treatment for psychiatric conditions and as a means of improving well-being in healthy individuals. In some jurisdictions (e.g., Oregon, USA), psilocybin use for both purposes is or will soon be allowed and yet, public attitudes toward this shift are understudied. We asked a nationally representative sample of 795 US Americans to evaluate the moral status of psilocybin use in an appropriately licensed setting for either treatment of a psychiatric condition or well-being enhancement. Showing strong bipartisan support, participants rated the individual's decision as morally positive in both contexts. These results can inform effective policy-making decisions around supervised psilocybin use, given robust public attitudes as elicited in the context of an innovative regulatory model. We did not explore attitudes to psilocybin use in unsupervised or non-licensed community or social settings.
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Affiliation(s)
| | | | | | | | - Julian Savulescu
- University of Oxford
- National University of Singapore
- Murdoch Children's Research Institute
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Fedorova EV, Mitchel A, Finkelstein M, Ataiants J, Wong CF, Conn BM, Lankenau SE. Pre-Post Cannabis Legalization for Adult Use: A Trend Study of Two Cohorts of Young Adult Cannabis Users in Los Angeles. J Psychoactive Drugs 2023:1-11. [PMID: 37997888 PMCID: PMC11116271 DOI: 10.1080/02791072.2023.2282515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Accepted: 10/11/2023] [Indexed: 11/25/2023]
Abstract
Cannabis was legalized for adult use in California in 2016 for individuals 21 and older. Among 18-20-years-olds, who can possess cannabis legally as medical cannabis patients (MCP) but not as non-patient cannabis users (NPU), the impact of adult use legalization (AUL) on cannabis and other substance use is unknown. Two cohorts of 18-20-year-old cannabis users (MCP and NPU) were surveyed, one in 2014-15 (n = 172 "pre-AUL") and another in 2019-20 (n = 139 "post-AUL"), using similar data collection methods in Los Angeles, California. Logistic and negative binomial regressions estimated cohort and MCP differences for cannabis and other drug use outcomes based on past 90-day use. In both pre- and post-AUL cohorts, MCP were more likely to self-report medical cannabis use (p < .001) while the post-AUL cohort reported greater use of edibles (p < .01), but fewer mean days of alcohol (p < .05) and cigarette (p < .01) use in multivariate models. Notably, frequency of cannabis use (days or hits per day) did not significantly differ between the pre- and post-AUL cohorts, except for greater use of edibles, despite potentially greater access to cannabis.
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Affiliation(s)
- Ekaterina V. Fedorova
- Drexel University, Dornsife School of Public Health, Department of Communisty Health and Prevention, 3215 Market Street, Philadelphia, PA 19104, United States
| | - Allison Mitchel
- Drexel University, Dornsife School of Public Health, Department of Communisty Health and Prevention, 3215 Market Street, Philadelphia, PA 19104, United States
| | - Maddy Finkelstein
- Drexel University, Dornsife School of Public Health, Department of Communisty Health and Prevention, 3215 Market Street, Philadelphia, PA 19104, United States
| | - Janna Ataiants
- Drexel University, Dornsife School of Public Health, Department of Communisty Health and Prevention, 3215 Market Street, Philadelphia, PA 19104, United States
| | - Carolyn F. Wong
- University of Southern California, Keck School of Medicine, Department of Pediatrics, 4650 Sunset Blvd., Los Angeles, CA 90027, United States
- Children’s Hospital Los Angeles, Division of Adolescent Medicine, 4650 Sunset Blvd., MS #2, Los Angeles, CA 90027, United States
- Children’s Hospital Los Angeles, Division of Research on Children, Youth, & Families, 4650 Sunset Blvd., MS #2, Los Angeles, CA 90027, United States
| | - Bridgid M. Conn
- University of Southern California, Keck School of Medicine, Department of Pediatrics, 4650 Sunset Blvd., Los Angeles, CA 90027, United States
- Children’s Hospital Los Angeles, Division of Adolescent Medicine, 4650 Sunset Blvd., MS #2, Los Angeles, CA 90027, United States
| | - Stephen E. Lankenau
- Drexel University, Dornsife School of Public Health, Department of Communisty Health and Prevention, 3215 Market Street, Philadelphia, PA 19104, United States
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Harris KN, Kulesza C. Exploring the Impact of Adult-use Cannabis Legalization on Legal System Referrals to Treatment for Cannabis Use: Do Age and Race Have a Moderating Effect? Clin Ther 2023; 45:599-615. [PMID: 37414510 DOI: 10.1016/j.clinthera.2023.03.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 02/23/2023] [Accepted: 03/09/2023] [Indexed: 07/08/2023]
Abstract
PURPOSE Despite the progression of recreational cannabis legalization, the legal system remains the largest source of referral to treatment for cannabis use. The legal system's continued practice of requiring participation in cannabis treatment programs raises questions regarding the extent to which individuals who interact with the legal system are monitored for cannabis use post-legalization. This article presents trends in justice-system referrals to treatment for cannabis use in legal and nonlegal states for 2007-2019. The relationship between legalization and justice system treatment referrals for black, Hispanic/Latino, and white adults and juveniles was explored. Given that minority and youth populations are subject to disproportionate levels of cannabis enforcement, legalization is expected to have a weaker relationship with justice-system referral rates in white juveniles and black and Hispanic/Latino adults and juveniles compared to white adults. METHODS Using 2007-2019 data from the Treatment Episode Data Set-Admissions (TEDS-A), variables were created for state-level rates of legal system-referred treatment admissions for cannabis use in black, Hispanic/Latino, and white adults and juveniles. Rate trends were compared across populations and staggered difference-in-difference and event analyses were conducted to determine whether legalization is associated with a decline in justice-system referrals to treatment for cannabis use . FINDINGS For the study period, the mean rate of legal system-referred admissions in the total population was 2.75 per 10,000 residents. Black juveniles had the highest mean rate (20.16), followed by Hispanic/Latino juveniles (12.35), black adults (9.18), white juveniles (7.58), Hispanic/Latino adults (3.42), and white adults (1.66). Legalization did not have a significant impact on treatment-referral rates in any population of study. Events analyses indicated significant rate increases in black juveniles in legalized states compared to controls at 2 and 6 years after policy change, and in black and Hispanic/Latino adults at 6 years after policy change (all, P < 0.05). While racial/ethnic disparities in referral rates declined in absolute terms, the relative size of these disparities increased in legalized states. IMPLICATIONS TEDS-A captures only publicly funded treatment admissions and relies on the quality of individual-state reporting. Individual-level factors that may impact decisions regarding treatment referrals for cannabis use could not be controlled for. Despite limitations, the present findings suggest that for individuals who interact with the criminal legal system, cannabis use may still result in legal monitoring after reform. The upward trend in legal system referrals for black (but not white) adults and juveniles several years after states legalize cannabis warrants further examination and may reflect continued disparate treatment of these populations at multiple points along the legal-system continuum.
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Assanangkornchai S, Kalayasiri R, Ratta-Apha W, Tanaree A. Effects of cannabis legalization on the use of cannabis and other substances. Curr Opin Psychiatry 2023:00001504-990000000-00062. [PMID: 37185310 DOI: 10.1097/yco.0000000000000868] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
PURPOSE OF REVIEW As more jurisdictions legalize cannabis for non-medical use, the evidence on how legalization policies affect cannabis use and the use of other substances remains inconclusive and contradictory. This review aims to summarize recent research findings on the impact of recreational cannabis legalization (RCL) on cannabis and other substance use among different population groups, such as youth and adults. RECENT FINDINGS Recent literature reports mixed findings regarding changes in the prevalence of cannabis use after the adoption of RCL. Most studies found no significant association between RCL and changes in cannabis use among youth in European countries, Uruguay, the US, and Canada. However, some studies have reported increases in cannabis use among youth and adults in the US and Canada, although these increases seem to predate RCL. Additionally, there has been a marked increase in unintentional pediatric ingestion of cannabis edibles postlegalization, and an association between RCL and increased alcohol, vaping, and e-cigarette use among adolescents and young adults. SUMMARY Overall, the effects of cannabis legalization on cannabis use appear to be mixed. Further monitoring and evaluation research is needed to provide longer-term evidence and a more comprehensive understanding of the effects of RCL.
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Affiliation(s)
- Sawitri Assanangkornchai
- Department of Epidemiology, Faculty of Medicine, Prince of Songkla University, Hat Yai, Songkhla, 90110
| | - Rasmon Kalayasiri
- Department of Psychiatry, Faculty of Medicine, Chulalongkorn University
| | - Woraphat Ratta-Apha
- Department of Psychiatry, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok
| | - Athip Tanaree
- Srithanya Psychiatric Hospital, Nonthaburi, Thailand
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Athanassiou M, Dumais A, Zouaoui I, Potvin S. The clouded debate: A systematic review of comparative longitudinal studies examining the impact of recreational cannabis legalization on key public health outcomes. Front Psychiatry 2023; 13:1060656. [PMID: 36713920 PMCID: PMC9874703 DOI: 10.3389/fpsyt.2022.1060656] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Accepted: 12/20/2022] [Indexed: 01/27/2023] Open
Abstract
Background Ineffective cannabis regulatory frameworks such as prohibition have sparked interest in alternative solutions to reduce individual and societal harms. While it has been suggested that the recreational legalization process has yielded early successes, the relatively recent implementation of the novel policies has provided a modest time frame for a truly thorough establishment and assessment of key population-level indicators. The following systematic review focuses on identifying the downstream public health sequelae of cannabis legalization policies, including parameters such as cannabis consumption rates, hospitalization rates, vehicular accidents and fatalities, criminal activity, and suicidal behaviors, as well as other substance use trends. Methods An exhaustive search of the MEDLINE and Google Scholar databases were performed to identify high-quality (1) longitudinal studies, which (2) compared key public health outcomes between regions which had and had not implemented recreational cannabis legalization (RML) policies, (3) using distinct databases and/or time frames. Thirty-two original research articles were retained for review. Results Adult past-month cannabis consumption (26+ years) seems to have significantly increased following RML, whereas young adult (18-26 years) and adolescent (12-17 years) populations do not show a significant rise in past-month cannabis use. RML shows preliminary trends in increasing service use (such as hospitalizations, emergency department visits, or poisonings) or vehicular traffic fatalities. Preliminary evidence suggests that RML is related to potential increases in serious/violent crimes, and heterogeneous effects on suicidal behaviors. While the research does not illustrate that RML is linked to changing consumptions patterns of cigarette, stimulant, or opioid use, alcohol use may be on the rise, and opioid prescribing patterns are shown to be significantly correlated with RML. Conclusion The current data supports the notion that RML is correlated with altered cannabis consumption in adults, potentially increased criminal activity, and a decline in opioid quantities and prescriptions provided to patients. Future work should address additional knowledge gaps for vulnerable populations, such as individuals with mental health problems or persons consuming cannabis frequently/at higher THC doses. The effects of varying legalization models should also be evaluated for their potentially differing impacts on population-level outcomes.
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Affiliation(s)
- Maria Athanassiou
- Centre de recherche de l'Institut Universitaire en Santé Mentale de Montréal, Montreal, QC, Canada
- Department of Psychiatry and Addiction, Faculty of Medicine, University of Montreal, Montreal, QC, Canada
| | - Alexandre Dumais
- Centre de recherche de l'Institut Universitaire en Santé Mentale de Montréal, Montreal, QC, Canada
- Department of Psychiatry and Addiction, Faculty of Medicine, University of Montreal, Montreal, QC, Canada
- Philippe-Pinel National Institute of Legal Psychiatry, Montreal, QC, Canada
| | - Inès Zouaoui
- Centre de recherche de l'Institut Universitaire en Santé Mentale de Montréal, Montreal, QC, Canada
- Department of Psychiatry and Addiction, Faculty of Medicine, University of Montreal, Montreal, QC, Canada
| | - Stéphane Potvin
- Centre de recherche de l'Institut Universitaire en Santé Mentale de Montréal, Montreal, QC, Canada
- Department of Psychiatry and Addiction, Faculty of Medicine, University of Montreal, Montreal, QC, Canada
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French MT, Zukerberg J, Lewandowski TE, Piccolo KB, Mortensen K. Societal Costs and Outcomes of Medical and Recreational Marijuana Policies in the United States: A Systematic Review. Med Care Res Rev 2022; 79:743-771. [PMID: 35068253 DOI: 10.1177/10775587211067315] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Significant support exists in the United States for legalization of marijuana/cannabis. As of 2021, 36 states and four territories approved the legalization of medical cannabis via medical marijuana laws (MMLs), and 15 states and District of Columbia (DC) have adopted recreational marijuana laws (RMLs). We performed structured and systematic searches of articles published from 2010 through September 2021. We assess the literature pertaining to adolescent marijuana use; opioid use and opioid-related outcomes; alcohol use; tobacco use; illicit and other drug use; marijuana growing and cultivation; employment, earnings, and other workplace outcomes; academic achievement and performance; criminal activity; perceived harmfulness; traffic and road safety; and suicide and sexual activity. Overall, 113 articles satisfied our inclusion criteria. Except for opioids, studies on use of other substances (illicit drugs, tobacco, and alcohol) were inconclusive. MMLs and RMLs do not generate negative outcomes in the labor market, lead to greater criminal activity, or reduce traffic and road safety.
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Mennis J, Stahler GJ, McKeon TP. Young adult cannabis use disorder treatment admissions declined as past month cannabis use increased in the U.S.: An analysis of states by year, 2008-2017. Addict Behav 2021; 123:107049. [PMID: 34303941 DOI: 10.1016/j.addbeh.2021.107049] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 06/22/2021] [Accepted: 07/12/2021] [Indexed: 12/16/2022]
Abstract
OBJECTIVE This short communication reports on the association of annual measures of young adult (age 18-24) past month cannabis use with cannabis use disorder (CUD) treatment admissions by state in the U.S. from 2008 to 2017. METHODS Annual data on percentage of past month cannabis use and the total number of CUD treatment admissions among young adults were acquired for each state from SAMHSA NSDUH and TEDS-A data sets. For each state, the correlation over time between cannabis use and treatment admissions rate was calculated and visualized in a choropleth map. Fixed-effects regression, where effects are fixed by state, was used to investigate the association of cannabis use with treatment admissions rate. RESULTS In 38 out of 50 states, including seven out of the eight states legalizing recreational cannabis during the study period, as young adult cannabis use increased, treatment admissions declined. Cannabis use is significantly and negatively associated with treatment admissions (β = -7.21, 95% CI = -11.88, -2.54), even after controlling for health insurance coverage, criminal justice referral, treatment center availability, and cannabis legalization status. CONCLUSIONS While it is possible that across the U.S. more young adults are using cannabis without developing CUD, we speculate that increasing social acceptance of cannabis use, and declining perception of harm, may influence treatment seeking behavior, potentially resulting in growing unmet need for CUD treatment among young adults. Monitoring state-level trends in cannabis use, CUD prevalence, and treatment admissions is key to developing CUD prevention and treatment policies targeted to timely, state-specific conditions.
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Borst JM, Costantini TW, Reilly L, Smith AM, Stabley R, Steele J, Wintz D, Bansal V, Biffl WL, Godat LN. Driving under the influence: a multi-center evaluation of vehicular crashes in the era of cannabis legalization. Trauma Surg Acute Care Open 2021; 6:e000736. [PMID: 34786487 PMCID: PMC8587622 DOI: 10.1136/tsaco-2021-000736] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Accepted: 10/26/2021] [Indexed: 11/30/2022] Open
Abstract
Background Eleven states have instituted laws allowing recreational cannabis use leading to growing public health concerns surrounding the effects of cannabis intoxication on driving safety. We hypothesized that after the 2016 legalization of cannabis in California, the use among vehicular injury patients would increase and be associated with increased injury severity. Methods San Diego County’s five adult trauma center registries in were queried from January 2010 to June 2018 for motor vehicle or motorcycle crash patients with completed toxicology screens. Patients were stratified as toxicology negative (TOX−), positive for only THC (THC+), only blood alcohol >0.08% (ETOH+), THC+ETOH, or THC+ with any combination with methamphetamine or cocaine (M/C). County medical examiner data were reviewed to characterize THC use in those with deaths at the scene of injury. Results Of the 11,491 patients identified, there were 61.6% TOX−, 11.7% THC+, 13.7% ETOH+, 5.0% THC+ETOH, and 7.9% M/C. THC+ increased from 7.3% to 14.8% over the study period and peaked at 14.9% post-legalization in 2017. Compared with TOX− patients, THC+ patients were more likely to be male and younger. THC+ patients were also less likely to wear seatbelts (8.5% vs 14.3%, p<0.001) and had increased mean Injury Severity Score (8.4±9.4 vs 9.0±9.9, p<0.001) when compared with TOX− patients. There was no difference in in-hospital mortality between groups. From the medical examiner data of the 777 deaths on scene, 27% were THC+. Discussion THC+ toxicology screens in vehicular injury patients peaked after the 2016 legalization of cannabis. Public education on the risks of driving under the influence of cannabis should be a component of injury prevention initiatives. Level of evidence III, Prognostic
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Affiliation(s)
- Johanna Marie Borst
- Department of Surgery, Division of Trauma, Surgical Critical Care, Burns and Acute Care Surgery, UC San Diego School of Medicine, San Diego, California, USA
| | - Todd W Costantini
- Department of Surgery, Division of Trauma, Surgical Critical Care, Burns and Acute Care Surgery, UC San Diego School of Medicine, San Diego, California, USA
| | - Lindsay Reilly
- Department of Surgery, Division of Trauma, Surgical Critical Care, Burns and Acute Care Surgery, UC San Diego School of Medicine, San Diego, California, USA
| | - Alan M Smith
- Department of Surgery, Division of Trauma, Surgical Critical Care, Burns and Acute Care Surgery, UC San Diego School of Medicine, San Diego, California, USA
| | - Robert Stabley
- Examiner's Office, San Diego County Medical Examiner's Office, San Diego, California, USA
| | - John Steele
- Trauma, Palomar Medical Center, Escondido, California, USA
| | - Diane Wintz
- Trauma, Sharp Memorial Medical Center, San Diego, California, USA
| | - Vishal Bansal
- Trauma, Scripps Mercy Hospital, San Diego, California, USA
| | - Walter L Biffl
- Trauma, Scripps Memorial Hospital, La Jolla, California, USA
| | - Laura N Godat
- Division of Trauma, Surgical Critical Care, Burns and Acute Care Surgery, Department of Surgery, University of California San Diego School of Medicine, San Diego, California, USA
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