Publications
Health Outcomes: Mental Health
McCarthy SD, Xiao J, Pugliese M, Perrault-Sequeira L, Myran DT. Changes in cannabis involvement in emergency department visits for anxiety disorders after cannabis legalization: a repeated cross-sectional study. The Lancet Regional Health–Americas. 2024 Aug 1;36. Available from: https://doi.org/10.1016/j.lana.2024.100815
Health Outcomes: Psychosis and Schizophrenia
Anderson KK, Rodrigues R, Le B, Mamun M, Archie S, Edwards J, Elton-Marshall T, Gilliland J, Myran DT, Palaniyappan L, Perlman CM. Impact of non-medical cannabis legalization with market restrictions on health service use and incident cases of psychotic disorder in Ontario, Canada. International Journal of Drug Policy. 2024 Jan 1;123:104285. Available from: https://doi.org/10.1016/j.drugpo.2023.104285
Health Outcomes: Psychosis and Schizophrenia
Wootten JC, Rodrigues R, Gilliland J, Carter B, Shariff SZ, Zhong S, Archie S, Edwards J, Elton-Marshall T, Myran DT, Palaniyappan L. The effect of non-medical cannabis retailer proximity on use of mental health services for psychotic disorders in Ontario, Canada. International journal of social psychiatry. 2024 Mar;70(2):308-18. Available from: https://doi.org/10.1177/00207640231206053
Market Indicator
Friesen EL, Konikoff L, Dickson S, Myran DT. Geographic clustering of cannabis stores in Canadian cities: A spatial analysis of the legal cannabis market 4 years post‐legalisation. Drug and Alcohol Review. 2024. Available from: https://doi.org/10.1111/dar.13650
Health Outcomes: Evidence Review
Cantor N, Silverman M, Gaudreault A, Hutton B, Brown C, Elton-Marshall T, Imtiaz S, Sikora L, Tanuseputro P, Myran DT. The association between physical availability of cannabis retail outlets and frequent cannabis use and related health harms: a systematic review. The Lancet Regional Health–Americas. 2024 April. Available from: https://pubmed.ncbi.nlm.nih.gov/38486811/
Health Outcomes: Mental Health
Myran D, Harrison L, Pugliese M, Tanuseputro P, Gaudreault A, Fiedorowicz JG, Solmi M. Development of an Anxiety Disorder Following and Emergency Department Visit Due to Cannabis Use. eClinical Medicine. 2024 February. Available from: https://www.thelancet.com/journals/eclinm/article/PIIS2589-5370(24)00034-8/fulltext
Health Outcomes: Mental Health
Myran DT, Gaudreault A, Pugliese M, Tanuseputro P, Saunders N. Cannabis-involvement in emergency department visits for self-harm following medical and non-medical cannabis legalization. Journal of Affective Disorders. 2024 February. Available from: https://doi.org/10.1016/j.jad.2024.01.264
Health Outcomes: Poisonings
Myran DT, Gaudreault A, McCarthy SD, Pugliese M, Tanuseputro P, Finkelstein Y. Unintentional pediatric poisonings before and during the COVID-19 pandemic: A population-based study. The American Journal of Emergency Medicine. 2024 February. Available from: https://pubmed.ncbi.nlm.nih.gov/38086185/
Health Outcomes: Overall Changes
Myran DT, Gaudreault A, Talarico R et al. Changes in Cannabis-Attributable Hospitalizations Following Nomedical Cannabis Legalization in Canada. JAMA Network Open. 2023 October. Available from: https://doi:10.1001/jamanetworkopen.2023.36113
Health Outcomes: Psychosis and Schizophrenia
Myran DT, Harrison L, Pugliese M, et al. Transition to Schizophrenia Spectrum Disorder Following Emergency Department Visits Due to Substance Use With and Without Psychosis. JAMA Psychiatry. 2023 September. Available from: https://doi:10.1001/jamapsychiatry.2023.3582
Health Outcomes: Traffic Injuries
Myran DT, Gaudreault A, Pugliese M, et al. Cannabis-Involved Traffic Injury Emergency Department Visits After Cannabis Legalization and Commercialization. JAMA Network Open. 2023 September. Available from: https://doi:10.1001/jamanetworkopen.2023.31551
Health Outcomes: Psychosis and Schizophrenia
Myran DT, Pugliese M, Roberts RL, et al. Association between non-medical cannabis legalization and emergency department visits for cannabis-induced psychosis. Molecular Psychiatry. 2023 Jul. Available from: https://doi.org/10.1038/s41380-023-02185-x
Health Outcomes: Pregnancy
Myran DT, Roberts R, Pugliese M, Corsi D, Walker M, El-Chaâr, Tanuseputro P, and Simpson A. Acute care related to cannabis use during pregnancy after the legalization of non-medical cannabis in Ontario. CMAJ 2023 195(20) E699-E708; Available from: https://doi.org/10.1503/cmaj.230045
Market Indicator
Myran DT, Friesen EL, Dickson S, Konikoff L, Arora G & Tanuseputro P. Access to legal cannabis market in Canada over the four years following non‐medical cannabis legalisation. Drug and Alcohol Review. 2023. Available from: https://doi.org/10.1111/dar.13650
Health Outcomes: Overall Changes
Myran DT, Roberts R, Pugliese M, Taljaard M, Tanuseputro P, Pacula RL. Changes in Emergency Department Visits for Cannabis Hyperemesis Syndrome Following Recreational Cannabis Legalization and Subsequent Commercialization in Ontario, Canada. JAMA Network Open. 2022. Available from: https://doi.org/10.1001/jamanetworkopen.2022.31937
Health Outcomes: Evidence Review
Myran DT, Imtiaz S, Konikoff L, Douglas L, Elton‐Marshall T. Changes in health harms due to cannabis following legalisation of non‐medical cannabis in Canada in context of cannabis commercialisation: a scoping review. Drug and Alcohol Review. 2024 February. Available from: https://onlinelibrary.wiley.com/doi/abs/10.1111/dar.13546
Health Outcomes: Poisonings
Myran DT, Tanuseputro P, Auger N, Konikoff L, Talarico R, Finkelstein Y. Pediatric Hospitalizations for Unintentional Cannabis Poisonings and All-Cause Poisonings Associated With Edible Cannabis Product Legalization and Sales in Canada. JAMA Health Forum. 2023 Jan 13;4(1):e225041–e225041. Available from: https://doi.org/10.1001/jamahealthforum.2022.5041
Health Outcomes: Poisonings
Myran DT, Tanuseputro P, Auger N, Konikoff L, Talarico R, Finkelstein Y. Edible Cannabis legalization and Unintentional Pediatric Poisoning. New England Journal of Medicine 2022; 387:757-759. Available from: https://doi.org/10.1056/NEJMc2207661
Health Outcomes: Overall Changes
Myran DT, Tanuseputro P, Cantor N, Pugliese M, Rhodes E, and Taljaard M. The association between recreational cannabis legalization, commercialization and cannabis attributable emergency department visits in Ontario, Canada. Addiction 2022 Available from: https://doi.org/10.1111/add.15834
Health Outcomes: Poisonings
Myran DT, Cantor N, Finkelstein Y, Pugliese M, Guttmann A, Jesseman R, and Tanuseputro P. Unintentional Pediatric Cannabis Exposures Following Legalization of Recreational Cannabis. JAMA Netw Open. 2022;5(1):e2142521. Available from: https://doi.org/10.1001/jamanetworkopen.2021.42521
Market Indicator
Armstrong MJ, Cantor N, Smith BT, Jesseman R, Hobin E, and Myran DT. Interrupted time series analysis of Canadian legal cannabis sales during the COVID-19 pandemic. Drug Alcohol Rev. 2022 Mar 22 Available from: https://doi.org/10.1111/dar.13465
Health Outcomes: Overall Changes
Zygmunt A, Tanuseputro P, Lima I, Brown C, and Myran DT. Changes in rates of hospitalizations due to cannabis harms in Ontario, Canada prior to the legalization of non-medical cannabis: a retrospective population-level study between 2003 and 2017. Addict Med. 2021 Aug 12. Available from: https://doi.org/10.1097/ADM.0000000000000906.
Market Indicator
Myran DT, Staykov E, Cantor N, Taljaard M, Quach B, Hawken S, and Tanuseputro P. How has access to legal cannabis changed over time? An analysis of the cannabis retail market in Canada two years following the legalization of recreational cannabis. Drug Alcohol Rev. 2021 Jul 12. Available from: https://doi.org/10.1111/dar.13351.
Market Indicator
Myran DT, Brown C, Tanuseputro, P. Access to cannabis retail stores across Canada six months following legalization: a descriptive study. CMAJ Open, 2019 August, 7(3) E454-E461. Available from: https://doi.org/10.9778/cmajo.20190012