Paper 11 July 2025 : Use of Tobacco and Cannabis Following State-Level Cannabis Legalization

Andrew S. Hyatt, MD1,2; Lindsay Overhage, BA1,2; Benjamin Lê Cook, PhD, MPH1,2 Author Affiliations Article Information Key PointsQuestion  Is legalizing cannabis associated with use of cannabis, cigarettes, and electronic nicotine delivery systems (ENDS)? Findings  In this cohort study using difference-in-differences methods to analyze 171 257 observations from 55 406 participants, legalization was associated with increased cannabis use and ENDS use. There was no association with cigarette use. Meaning  Cannabis […]