Welcome to the Mainline Harm Reduction School At the core of the harm reduction movement lies the objective of strengthening the health and rights of people who use drugs. The Mainline Harm Reduction School is dedicated to empowering both newcomers…

Retention and dropout from sublingual and extended-release buprenorphine treatment: A comparative analysis of data from a nationally representative sample of commercially-insured people with opioid use disorder in the United States.  Ivasiy R…

Convergence of Cannabis and Psychosis on the Dopamine System.  Ahrens J, Ford SD, Schaefer B, et al.  JAMA Psychiatry. Published online April 09, 2025. doi:10.1001/jamapsychiatry.2025.0432 https://jamanetwork.com/journals…

Deaths of despair. MacGregor, S., Duke, K. and O’Gorman, A. (2025),  Addiction. doi.org/10.1111/add.70077 https://onlinelibrary.wiley.com/doi/full/10.1111/add.70077

Automating the Addiction Behaviors Checklist for Problematic Opioid Use Identification.  Chatham AH, Bradley ED, Troiani V, et al.  JAMA Psychiatry. Published online April 09, 2025. doi:10.1001/jamapsychiatry.2025.0424 ht…

USA. The Drug Policy Alliance Library The Drug Policy Alliance Library generously donated their books to the Internet Archive so they could be preserved and digitized.  In celebration of National Library Week, we’re thrilled to announce the d…