Cannabis Laws Linked to Increased Youth Suicide in Asian/Pacific Islander and Hispanic Populations
Medical and recreational cannabis laws were associated with increased suicide deaths specifically among Asian/Pacific Islander and Hispanic youth, while no significant effects were found for White, Black, or American Indian/Alaska Native youth.
Quick Facts
What This Study Found
Asian/Pacific Islander youth in medical and recreational cannabis law states had significantly increased suicide rates (MCL IRR=1.30, 95% CI=1.13-1.50; RCL IRR=1.42, 95% CI=1.20-1.67), and Hispanic youth in recreational states had increased rates vs. medical-only (IRR=1.15) and no-law states (IRR=1.32), while effects for other racial/ethnic groups were nonsignificant.
Key Numbers
113,512 youth suicide deaths (2000-2019); unadjusted rates: 9.7 (no law), 12.8 (MCL), 16.7 (RCL) per 100,000; Asian/PI MCL IRR=1.30, RCL IRR=1.42; Hispanic RCL vs no law IRR=1.32; Black, White, AI/AN effects nonsignificant
How They Did This
Staggered-adoption difference-in-difference analysis of 113,512 suicide deaths from the 2000-2019 National Vital Statistics System among US youth aged 12-25, examining race/ethnicity-specific associations with time-varying cannabis law status while controlling for state- and individual-level covariates.
Why This Research Matters
Cannabis legalization is often framed as social justice reform, but this study reveals potential unintended consequences that disproportionately affect specific racial and ethnic communities of youth.
The Bigger Picture
As cannabis legalization expands, understanding its differential impact on youth suicide across racial and ethnic groups is essential for designing protective policies and culturally responsive mental health services.
What This Study Doesn't Tell Us
Ecological study cannot determine individual cannabis use; cannot establish mechanism (direct cannabis effects vs. broader social changes); 2000-2019 data predates many recreational laws taking full effect; unmeasured confounders possible despite adjustment.
Questions This Raises
- ?What mechanisms explain the race-specific effects?
- ?Are Asian/Pacific Islander and Hispanic youth more vulnerable to cannabis-related mental health impacts, or are there cultural/structural mediators?
- ?Would targeted prevention programs mitigate these effects?
Trust & Context
- Key Stat:
- Evidence Grade:
- Large national dataset with quasi-experimental design and robust sensitivity analyses, providing strong ecological evidence despite inability to determine individual-level mechanisms.
- Study Age:
- Published 2026; covers 2000-2019 data.
- Original Title:
- Racial and Ethnic Differences in Suicide Mortality Among Youth Aged 12-25 Years Following Medical and Recreational Cannabis Legalization in the U.S.
- Published In:
- American journal of preventive medicine, 70(1), 108141 (2026)
- Authors:
- Hammond, Christopher J(6), Hyer, Madison, Boustead, Anne E(5), Platt, Rheanna, Young, Andrea S, Fristad, Mary A, Steelesmith, Danielle L, Brock, Guy, Hasin, Deborah S, Fontanella, Cynthia A
- Database ID:
- RTHC-08312
Evidence Hierarchy
Frequently Asked Questions
Does cannabis legalization increase youth suicide?
This study found increased suicide rates specifically among Asian/Pacific Islander and Hispanic youth in states with cannabis laws, but no significant effects for White, Black, or American Indian/Alaska Native youth — suggesting the impact varies by community.
Why might cannabis laws affect some racial groups differently?
The mechanisms are unclear — it could involve differences in cannabis access, cultural attitudes toward mental health help-seeking, family dynamics, stigma, or broader social changes that coincide with legalization in certain communities.
Read More on RethinkTHC
- LGBTQ-cannabis-use-recovery-support
- cannabis-induced-psychosis
- online-therapy-cannabis-anxiety-review
- quitting-weed-adhd
- quitting-weed-depression
- quitting-weed-ptsd
- self-medicating-with-weed
- weed-OCD-intrusive-thoughts
- weed-and-ptsd
- weed-childhood-trauma-ACE
- weed-suicidal-thoughts-withdrawal
- cannabis-law-and-your-rights-complete-guide
- how-much-weed-legally-possess-state-guide
- cannabis-gun-ownership-federal-conflict
- flying-with-weed-tsa-rules-state-lines
- crossing-state-lines-with-weed-legal-felony
- cannabis-immigration-status-green-card
Cite This Study
https://rethinkthc.com/research/RTHC-08312APA
Hammond, Christopher J; Hyer, Madison; Boustead, Anne E; Platt, Rheanna; Young, Andrea S; Fristad, Mary A; Steelesmith, Danielle L; Brock, Guy; Hasin, Deborah S; Fontanella, Cynthia A. (2026). Racial and Ethnic Differences in Suicide Mortality Among Youth Aged 12-25 Years Following Medical and Recreational Cannabis Legalization in the U.S.. American journal of preventive medicine, 70(1), 108141. https://doi.org/10.1016/j.amepre.2025.108141
MLA
Hammond, Christopher J, et al. "Racial and Ethnic Differences in Suicide Mortality Among Youth Aged 12-25 Years Following Medical and Recreational Cannabis Legalization in the U.S.." American journal of preventive medicine, 2026. https://doi.org/10.1016/j.amepre.2025.108141
RethinkTHC
RethinkTHC Research Database. "Racial and Ethnic Differences in Suicide Mortality Among You..." RTHC-08312. Retrieved from https://rethinkthc.com/research/hammond-2026-racial-and-ethnic-differences
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.