Recreational Cannabis Legalization Linked to More Cannabis Use Disorder but Fewer Treatment Admissions
A review of nine studies found recreational cannabis legalization was generally associated with increased cannabis use disorder prevalence, but treatment admissions did not increase and actually declined overall during the study periods.
Quick Facts
What This Study Found
Findings generally showed increased CUD prevalence associated with legalization, but effects varied by age group. Despite more CUD, there was no significant association between legalization and treatment admissions, and CUD-related treatment admissions decreased overall during study periods.
Key Numbers
9 studies reviewed from 2016-2022; CUD prevalence generally increased with legalization; treatment admissions decreased overall; effects varied by age group
How They Did This
Narrative review of nine studies published 2016-2022 examining recreational cannabis laws and either CUD prevalence or cannabis treatment admissions in the United States.
Why This Research Matters
The paradox of rising CUD prevalence but declining treatment admissions raises important questions. It may reflect normalization of use, reduced perception of harm, or barriers to accessing treatment in a legalized environment.
The Bigger Picture
As more states legalize recreational cannabis, monitoring problematic use and ensuring treatment access becomes critical. The decline in treatment admissions despite rising CUD suggests a growing treatment gap.
What This Study Doesn't Tell Us
Only nine studies available, limiting conclusions. Varied methodologies across studies. State-level differences in legalization implementation make comparisons difficult. CUD diagnostic criteria may capture different severity levels.
Questions This Raises
- ?Why are treatment admissions declining when CUD is increasing?
- ?Are treatment barriers different in legalized states?
- ?Does legalization change what motivates people to seek treatment?
Trust & Context
- Key Stat:
- 9 studies reviewed
- Evidence Grade:
- Narrative review with limited number of available studies and methodological heterogeneity
- Study Age:
- 2023 study
- Original Title:
- Assessing the Impact of Recreational Cannabis Legalization on Cannabis Use Disorder and Admissions to Treatment in the United States.
- Published In:
- Current addiction reports, 10(2), 198-209 (2023)
- Authors:
- Aletraris, Lydia(2), Graves, Brian D(2), Ndung'u, Joyce J
- Database ID:
- RTHC-04358
Evidence Hierarchy
Summarizes existing research on a topic.
What do these levels mean? →Frequently Asked Questions
Does legalizing cannabis lead to more addiction?
This review found evidence that cannabis use disorder prevalence increased after recreational legalization, though effects varied by age group. However, this does not mean most users develop problems.
Are more people seeking help for cannabis problems after legalization?
No. Despite increased CUD prevalence, treatment admissions actually declined overall, suggesting fewer people are seeking help even as more people may need it.
Read More on RethinkTHC
Cite This Study
https://rethinkthc.com/research/RTHC-04358APA
Aletraris, Lydia; Graves, Brian D; Ndung'u, Joyce J. (2023). Assessing the Impact of Recreational Cannabis Legalization on Cannabis Use Disorder and Admissions to Treatment in the United States.. Current addiction reports, 10(2), 198-209. https://doi.org/10.1007/s40429-023-00470-x
MLA
Aletraris, Lydia, et al. "Assessing the Impact of Recreational Cannabis Legalization on Cannabis Use Disorder and Admissions to Treatment in the United States.." Current addiction reports, 2023. https://doi.org/10.1007/s40429-023-00470-x
RethinkTHC
RethinkTHC Research Database. "Assessing the Impact of Recreational Cannabis Legalization o..." RTHC-04358. Retrieved from https://rethinkthc.com/research/aletraris-2023-assessing-the-impact-of
Access the Original Study
Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.
This study breakdown was produced by the RethinkTHC research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.