ArticleAmerican journal of preventive medicine2026
Medical Cannabis Use Across Ages 19-65 Years: U.S. Young and Middle Adults, 2018-2023.
Article in American journal of preventive medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionThis study provides national data on cannabis use type (medical versus recreational only) across individuals aged 19-65 years and associations with overall cannabis use prevalence and frequency, including developmental and historical trends and sociodemographic and policy associations.
methodsData collected in 2018-2023 from individuals (N=33,647) aged 19-65 years participating in the Monitoring the Future Panel study were analyzed in 2024-2025. Developmental and historical trends and regression analyses examined past 12-month cannabis use type: no use, recreational-only use, or any medical cannabis used from their own written medical recommendation/prescription (with or without recreational use).
resultsMedical use was reported by 2.6% (2.3%, 2.8%) of all respondents and 9.8% (9.0%, 10.6%) of those reporting past 12-month use. Among all respondents, medical-use prevalence did not show evidence of significant developmental trends; among those reporting past 12-month use, there was an age-graded increase in medical use (p<0.001), corresponding to an age-graded decrease in recreational-only use (p<0.001). Medical-use prevalence increased across time in states with medical-use-only policy (p=0.002) but not in other states and was associated with being male (p<0.001). Past 30-day cannabis prevalence and frequency were higher among medical- than recreational-only use groups across ages (p<0.001).
conclusionsAmong U.S. young and middle adults, the proportion reporting medical use was consistent across age; observed age-graded increases in medical use among those reporting past 12-month cannabis use were due to decreasing recreational-only use. Medical use was associated with higher past 30-day frequency across age, indicating that it acts as a consistent risk factor for daily or near-daily use.
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