States with medical cannabis dispensaries saw significant declines in specialty CUD treatment in 2004-2014, partly driven by people without active CUD leaving treatment.
Policy researchers, addiction treatment providers, and state health officials.
CUD treatment decreased 2.15 points in dispensary states (2004-2014); no effect by 2015-2019
What the researchers found
CUD treatment decreased 2.15 points after MCL with dispensaries (2004-2014). Among active CUD patients, declines occurred only in dispensary states. By 2015-2019, associations were no longer significant.
Why it matters
If cannabis policy reduces treatment uptake among those who need it, this is a public health concern. Understanding the mechanism is critical.
The numbers in context
Treatment decreased 2.15 points after MCL with dispensaries (2004-2014). Among CUD patients: -0.91 points in dispensary states. No MCL effects 2015-2019.
How the study worked
Multi-level logistic regression using restricted-use 2004-2019 NSDUH data for people aged 12+ classified as needing CUD treatment.
What this study cannot tell us
Observational. Self-report NSDUH. CUD criteria changed with DSM-5. Multiple simultaneous policy changes.
How to read the evidence
Large nationally representative dataset with multi-level modeling, but observational design.
When this study was published
Published in 2024 with 2004-2019 data.
The bigger picture
The decline may reflect reduced stigma, fewer criminal referrals, or normalization. Active CUD patients were less affected.
Questions still open
- Are people managing CUD without formal help?
- Has reduced criminal justice involvement offset treatment decline?
Common questions
Did medical marijuana laws reduce treatment for cannabis problems?
Are fewer people getting help for cannabis addiction?
Read the original research
Associations between cannabis policies and state-level specialty cannabis use disorder treatment in the United States, 2004-2019.
Drug and alcohol dependence, 257, 111113
Citation
Mauro, Pia M; Gutkind, Sarah; Askari, Melanie S; Hasin, Deborah S; Samples, Hillary; Mauro, Christine M; Annunziato, Erin M; Boustead, Anne E; Martins, Silvia S. (2024). Associations between cannabis policies and state-level specialty cannabis use disorder treatment in the United States, 2004-2019.. Drug and alcohol dependence, 257, 111113. https://doi.org/10.1016/j.drugalcdep.2024.111113
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