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Bloomer BF, Larson ER, Tullar RL, Herms EN, Bolbecker AR, O'Donnell BF, Hetrick WP, Wisner KM. Alterations in self-reported sensory gating and interoception in individuals frequently using cannabis. THE AMERICAN JOURNAL OF DRUG AND ALCOHOL ABUSE 2024; 50:525-535. [PMID: 38563523 DOI: 10.1080/00952990.2024.2332602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 02/23/2024] [Accepted: 03/14/2024] [Indexed: 04/04/2024]
Abstract
Background: Cannabis use is associated with altered processing of external (exteroceptive) and internal (interoceptive) sensory stimuli. However, little research exists on whether subjective experiences of these processes are altered in people who frequently use cannabis. Altered exteroception may influence externally oriented attention, whereas interoceptive differences have implications for intoxication, craving, and withdrawal states.Objectives: The goal of the current study was to investigate subjective experiences of exteroceptive sensory gating and interoception in people frequently using cannabis. We hypothesized subjective impairments in sensory gating and elevations in affect-related interoceptive awareness; furthermore, such deviations would relate to cannabis use patterns.Methods: This cross-sectional study of community adults 18-40 years old included 72 individuals (50% female) who used cannabis at least twice a week (not intoxicated during study) and 78 individuals who did not use cannabis (60% female). Participants completed the Sensory Gating Inventory and the Multidimensional Assessment of Interoceptive Awareness-2 surveys. People using cannabis completed surveys on cannabis use patterns. Analyses tested group differences and associations with cannabis use.Results: People using cannabis reported impaired sensory gating (d = 0.37-0.44; all p values < 0.05) and elevations of interoceptive awareness related to detection and affect (d = 0.21-0.61; all p values < 0.05). Problematic cannabis use was associated with increased sensory gating impairments (r = 0.37, p < .05). Interoceptive awareness was unrelated to cannabis use variables.Conclusion: These findings extend literature on subjective experiences of sensory processing in people using cannabis. Findings may inform inclusion of external attentional tendencies and internal bodily awareness in assessments of risk and novel treatment approaches.
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Affiliation(s)
- Bess F Bloomer
- Department of Psychological and Brain Sciences, Indiana University, Bloomington, IN, USA
| | - Eric R Larson
- Department of Psychological and Brain Sciences, Indiana University, Bloomington, IN, USA
- Program in Neuroscience, Indiana University, Bloomington, IN, USA
| | - Rachel L Tullar
- Department of Psychological and Brain Sciences, Indiana University, Bloomington, IN, USA
| | - Emma N Herms
- Department of Psychological and Brain Sciences, Indiana University, Bloomington, IN, USA
- Cognitive Science Program, Indiana University, Bloomington, IN, USA
| | - Amanda R Bolbecker
- Department of Psychological and Brain Sciences, Indiana University, Bloomington, IN, USA
- Program in Neuroscience, Indiana University, Bloomington, IN, USA
- Department of Psychiatry, Indiana University School of Medicine, Bloomington, IN, USA
| | - Brian F O'Donnell
- Department of Psychological and Brain Sciences, Indiana University, Bloomington, IN, USA
- Program in Neuroscience, Indiana University, Bloomington, IN, USA
- Department of Psychiatry, Indiana University School of Medicine, Bloomington, IN, USA
| | - William P Hetrick
- Department of Psychological and Brain Sciences, Indiana University, Bloomington, IN, USA
- Program in Neuroscience, Indiana University, Bloomington, IN, USA
- Department of Psychiatry, Indiana University School of Medicine, Bloomington, IN, USA
| | - Krista M Wisner
- Department of Psychological and Brain Sciences, Indiana University, Bloomington, IN, USA
- Program in Neuroscience, Indiana University, Bloomington, IN, USA
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Mowaad NA, Elgohary R, ElShebiney S. Effect of Stanozolol and/or Cannabis Abuse on Hypertrophic Mechanism and Oxidative Stress of Male Albino Rat Cardiac Tissue in Relation to Exercise: A Sport Abuse Practice. Cardiovasc Toxicol 2024; 24:527-538. [PMID: 38720122 PMCID: PMC11102414 DOI: 10.1007/s12012-024-09859-0] [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: 11/21/2023] [Accepted: 04/08/2024] [Indexed: 05/19/2024]
Abstract
Adolescents commonly co-abuse many drugs including anabolic androgenic steroids either they are athletes or non-athletes. Stanozolol is the major anabolic used in recent years and was reported grouped with cannabis. The current study aimed at evaluating the biochemical and histopathological changes related to the hypertrophic effects of stanozolol and/or cannabis whether in condition of exercise practice or sedentary conditions. Adult male Wistar albino rats received either stanozolol (5 mg/kg, s.c), cannabis (10 mg/kg, i.p.), and a combination of both once daily for two months. Swimming exercise protocol was applied as a training model. Relative heart weight, oxidative stress biomarkers, cardiac tissue fibrotic markers were evaluated. Left ventricular morphometric analysis and collagen quantification was done. The combined treatment exhibited serious detrimental effects on the heart tissues. It increased heart tissue fibrotic markers (Masson's trichrome stain (p < 0.001), cardiac COL3 (p < 0.0001), and VEGF-A (p < 0.05)), lowered heart glutathione levels (p < 0.05) and dramatically elevated oxidative stress (increased malondialdehyde (p < 0.0001) and 8-OHDG (p < 0.0001)). Training was not ameliorating for the observed effects. Misuse of cannabis and stanozolol resulted in more hypertrophic consequences of the heart than either drug alone, which were at least largely assigned to oxidative stress, heart tissue fibrotic indicators, histological alterations, and morphometric changes.
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Affiliation(s)
- Noha A Mowaad
- Narcotics, Ergogenics and Poisons Department, Medical Research and Clinical Studies Institute, National Research Centre, Dokki, P.O. 12622, Giza, Egypt.
| | - Rania Elgohary
- Narcotics, Ergogenics and Poisons Department, Medical Research and Clinical Studies Institute, National Research Centre, Dokki, P.O. 12622, Giza, Egypt
| | - Shaimaa ElShebiney
- Narcotics, Ergogenics and Poisons Department, Medical Research and Clinical Studies Institute, National Research Centre, Dokki, P.O. 12622, Giza, Egypt
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Esmaeili A, Dismuke-Greer C, Pogoda TK, Amuan ME, Garcia C, Del Negro A, Myers M, Kennedy E, Cifu D, Pugh MJ. Cannabis use disorder contributes to cognitive dysfunction in Veterans with traumatic brain injury. Front Neurol 2024; 15:1261249. [PMID: 38292293 PMCID: PMC10824930 DOI: 10.3389/fneur.2024.1261249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Accepted: 01/03/2024] [Indexed: 02/01/2024] Open
Abstract
Background While emerging evidence supports a link between traumatic brain injury (TBI) and progressive cognitive dysfunction in Veterans, there is insufficient information on the impact of cannabis use disorder (CUD) on long-term cognitive disorders. This study aimed to examine the incidences of cognitive disorders in Veterans with TBI and CUD and to evaluate their relationship. Methods This retrospective cohort study used the US Department of Veterans Affairs and Department of Defense administrative data from the Long-term Impact of Military-Relevant Brain Injury Consortium-Chronic Effects of Neurotrauma Consortium Phenotype study. Diagnoses suggesting cognitive disorders after a TBI index date were identified using inpatient and outpatient data from 2003 to 2022. We compared the differential cognitive disorders incidence in Veterans who had the following: (1) no CUD or TBI (control group), (2) CUD only, (3) TBI only, and (4) comorbid CUD+TBI. Kaplan-Meier analyses were used to estimate the overall cognitive disorders incidence in the above study groups. The crude and adjusted Cox proportional hazards models were used to estimate crude and adjusted hazard ratios (HRs) for cognitive disorders. Results A total of 1,560,556 Veterans [82.32% male, median (IQR) age at the time of TBI, 34.51 (11.29) years, and 61.35% white] were evaluated. The cognitive disorder incidence rates were estimated as 0.68 (95% CI, 0.62, 0.75) for CUD only and 1.03 (95% CI, 1.00, 1.06) for TBI only per 10,000 person-months of observations, with the highest estimated cognitive disorder incidence observed in participants with both TBI and CUD [1.83 (95% CI, 1.72, 1.95)]. Relative to the control group, the highest hazard of cognitive disorders was observed in Veterans with CUD+TBI [hazard ratio (HR), 3.26; 95% CI, 2.91, 3.65], followed by those with TBI only (2.32; 95 CI%, 2.13, 2.53) and with CUD (1.79; 95 CI%, 1.60, 2.00). Of note, in the CUD only subgroup, we also observed the highest risk of an early onset cognitive disorder other than Alzheimer's disease and Frontotemporal dementia. Discussion The results of this analysis suggest that individuals with comorbid TBI and CUD may be at increased risk for early onset cognitive disorders, including dementia.
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Affiliation(s)
- Aryan Esmaeili
- Health Economics Resource Center (HERC), Ci2i, VA Palo Alto Health Care System, Menlo Park, CA, United States
| | - Clara Dismuke-Greer
- Health Economics Resource Center (HERC), Ci2i, VA Palo Alto Health Care System, Menlo Park, CA, United States
| | - Terri K. Pogoda
- Center for Healthcare Organization and Implementation Research, VA Boston Healthcare System, Boston, MA, United States
- Boston University School of Public Health, Boston, MA, United States
| | - Megan E. Amuan
- Informatics, Decision-Enhancement, and Analytic Sciences Center of Innovation, VA Salt Lake City Health Care System, Salt Lake City, UT, United States
- Division of Epidemiology, Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, UT, United States
| | - Carla Garcia
- Health Economics Resource Center (HERC), Ci2i, VA Palo Alto Health Care System, Menlo Park, CA, United States
| | - Ariana Del Negro
- Health Economics Resource Center (HERC), Ci2i, VA Palo Alto Health Care System, Menlo Park, CA, United States
| | - Maddy Myers
- Informatics, Decision-Enhancement, and Analytic Sciences Center of Innovation, VA Salt Lake City Health Care System, Salt Lake City, UT, United States
| | - Eamonn Kennedy
- Informatics, Decision-Enhancement, and Analytic Sciences Center of Innovation, VA Salt Lake City Health Care System, Salt Lake City, UT, United States
- Division of Epidemiology, Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, UT, United States
| | - David Cifu
- Department of Physical Medicine and Rehabilitation, School of Medicine, Virginia Commonwealth University, Richmond, VA, United States
| | - Mary Jo Pugh
- Informatics, Decision-Enhancement, and Analytic Sciences Center of Innovation, VA Salt Lake City Health Care System, Salt Lake City, UT, United States
- Division of Epidemiology, Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, UT, United States
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Wu JH, Radha Saseendrakumar B, Moghimi S, Sidhu S, Kamalipour A, Weinreb RN, Baxter SL. Epidemiology and factors associated with cannabis use among patients with glaucoma in the All of Us Research Program. Heliyon 2023; 9:e15811. [PMID: 37215923 PMCID: PMC10192773 DOI: 10.1016/j.heliyon.2023.e15811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 04/09/2023] [Accepted: 04/21/2023] [Indexed: 05/24/2023] Open
Abstract
Purpose To examine the epidemiology and factors of cannabis use among open-angle glaucoma (OAG) patients. Methods In this cross-sectional study, OAG participants in the All of Us database were included. Cannabis ever-users were defined based on record of cannabis use. Demographic and socioeconomic data were collected and compared between cannabis ever-users and never-users using Chi-Square tests and logistic regression. Odds ratios (OR) of potential factors associated with cannabis use were examined in univariable and multivariable models. Results Among 3723 OAG participants, 1436 (39%) were cannabis ever-users. The mean (SD) age of never-users and ever-users was 72.9 (10.4) and 69.2 (9.6) years, respectively (P < 0.001). Compared to never-users, Black (34%) and male (55%) participants were better represented in ever-users, while Hispanic or Latino participants (6%) were less represented (P < 0.001). Diversity was also observed in socioeconomic characteristics including marital status, housing security, and income/education levels. A higher percentage of ever-users had a degree ≥12 grades (91%), salaried employment (26%), housing insecurity (12%), and history of cigar smoking (48%), alcohol consumption (96%), and other substance use (47%) (P < 0.001). In the multivariable analysis, Black race (OR [95% CI] = 1.33 [1.06, 1.68]), higher education (OR = 1.19 [1.07, 1.32]), and history of nicotine product smoking (OR: 2.04-2.83), other substance use (OR = 8.14 [6.63, 10.04]), and alcohol consumption (OR = 6.80 [4.45, 10.79]) were significant factors associated with cannabis use. Increased age (OR = 0.96 [0.95, 0.97]), Asian race (OR = 0.18 [0.09, 0.33]), and Hispanic/Latino ethnicity (OR = 0.43 [0.27, 0.68]) were associated with decreased odds of use (P < 0.02). Conclusions This study elucidated the previously uncharacterized epidemiology and factors associated with cannabis use among OAG patients, which may help to identify patients requiring additional outreach on unsupervised marijuana use.
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Affiliation(s)
- Jo-Hsuan Wu
- Viterbi Family Department of Ophthalmology and Shiley Eye Institute, University of California San Diego, La Jolla, CA, USA
| | - Bharanidharan Radha Saseendrakumar
- Viterbi Family Department of Ophthalmology and Shiley Eye Institute, University of California San Diego, La Jolla, CA, USA
- UCSD Health Department of Biomedical Informatics, University of California San Diego, La Jolla, CA, USA
| | - Sasan Moghimi
- Viterbi Family Department of Ophthalmology and Shiley Eye Institute, University of California San Diego, La Jolla, CA, USA
| | - Sophia Sidhu
- Viterbi Family Department of Ophthalmology and Shiley Eye Institute, University of California San Diego, La Jolla, CA, USA
| | - Alireza Kamalipour
- Viterbi Family Department of Ophthalmology and Shiley Eye Institute, University of California San Diego, La Jolla, CA, USA
| | - Robert N. Weinreb
- Viterbi Family Department of Ophthalmology and Shiley Eye Institute, University of California San Diego, La Jolla, CA, USA
| | - Sally L. Baxter
- Viterbi Family Department of Ophthalmology and Shiley Eye Institute, University of California San Diego, La Jolla, CA, USA
- UCSD Health Department of Biomedical Informatics, University of California San Diego, La Jolla, CA, USA
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Abstract
The pressure to gain mass, power, explosiveness, and endurance and to obtain a performance edge continues to a part of sports. Anabolic agents, including selective androgen receptor modulators along with peptides, hormones, and metabolic modulators, continues to evolve. Methods to promote transcription to modify gene expression are a part of the evolution. In order to monitor and improve doping detection, the Athlete Biological Passport has been created. This article provides an up-to-date review of alcohol, anabolic androgens and related agents, stimulants, opioids, and cannabis and related compounds and their effects on athlete health and performance.
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Affiliation(s)
- Todd Stull
- Department of Psychiatry and Neuroscience, University of California, Riverside School of Medicine, Riverside, CA 92521, USA.
| | - Eric Morse
- Carolina Performance, AIHF, 8300 Health Park #201, Raleigh, NC 27615, USA
| | - David R McDuff
- University of Maryland School of Medicine, Baltimore, MD, USA; Maryland Centers for Psychiatry, 3290 North Ridge Road, Suite 320, Ellicott City, MD 21043, USA
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Zeiger JS, Silvers WS, Fleegler EM, Zeiger RS. Attitudes about cannabis mediate the relationship between cannabis knowledge and use in active adult athletes. J Cannabis Res 2020; 2:18. [PMID: 33526137 PMCID: PMC7819330 DOI: 10.1186/s42238-020-00023-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Accepted: 04/02/2020] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Little is known about how cannabis knowledge and attitudes impact cannabis use behavior. OBJECTIVE To test the knowledge-attitudes-behavior paradigm in active adult athletes. DESIGN The Athlete Pain, Exercise, and Cannabis Experience (PEACE) Survey, a cross-sectional survey study, used social media and email blasts to recruit participants and SurveyGizmo to collect data. PARTICIPANTS Self-defined active adult athletes (n = 1161). MAIN MEASURES Knowledge about cannabis was evaluated with four questions. Attitudes toward cannabis was evaluated with 11 questions. The attitudes questions were used in a TwoStep Cluster analysis in SPSS to assign group membership by attitudes. Chi-square was used to determine if there were differences in cluster membership by demographic factors and if knowledge about cannabis differed by cluster membership. Regression analysis was performed to determine if cannabis attitudes mediated the relationship between cannabis knowledge and cannabis use. KEY RESULTS A three-cluster solution was the best fit to the data. The clusters were named Conservative (n = 374, 32.2%), Unsure (n = 533, 45.9%), and Liberal (n = 254, 21.9). There was a significant difference among the clusters for all 11 attitudes items (all p < 0.001). Attitude cluster membership was significantly different by age (p < 0.001), primary sport (p < 0.05), and knowledge about cannabis (p < 0.001). Athletes in the liberal cluster answered the knowledge questions correctly most often. Attitudes mediated the relationship between cannabis knowledge and cannabis use [Never (32.4%), Past (41.6%), Current (26.0%)] with athletes in the liberal cluster showing more knowledge and greater likelihood to be a current cannabis user (p < 0.001). Among current cannabis users there were differential patterns of cannabis use depending on their attitudes and knowledge; liberal athletes tended to co-use THC and CBD and used cannabis longer. (p < 0.001). CONCLUSIONS Cannabis education needs to consider attitudes about cannabis, especially among those who might benefit from medical cannabis.
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Affiliation(s)
- Joanna S Zeiger
- Canna Research Group, 3996 Savannah Ct, Boulder, CO, 80301, USA.
| | - William S Silvers
- Canna Research Group, 3996 Savannah Ct, Boulder, CO, 80301, USA
- Division of Allergy and Clinical Immunology, University of Colorado Denver School of Medicine, 12700 E. 19th Ave., Room 10C03, Aurora, CO, 80045, USA
| | - Edward M Fleegler
- Canna Research Group, 3996 Savannah Ct, Boulder, CO, 80301, USA
- To-Life in Peace, LLC, 3812 Taft Court, Wheat Ridge, CO, 80033, USA
| | - Robert S Zeiger
- Canna Research Group, 3996 Savannah Ct, Boulder, CO, 80301, USA
- Kaiser Permanente Southern California, 7060 Clairemont Mesa Blvd, San Diego, CA, 92111, USA
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