Observational study observes age-related changes in alcohol, cannabis, and simultaneous use among young adults, highlighting maturing out patterns in legal contexts.
It is unknown whether age-related decreases in substance use (maturing out) are observed in the legalized cannabis context. This study evaluated age-related changes in past-month alcohol use frequency, cannabis use frequency, and any simultaneous alcohol and marijuana/cannabis (SAM) use among young adults who engaged in the respective substance use behavior.
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Fairlie et al. (2024) studied this question.
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