Recreational Marijuana Legalization, Local Retail Availability, and Alcohol and Marijuana Use and Co-Use Among California High School Students

Author: SHARON E. O’HARA, DR.P.H, MALLIE J. PASCHALL, PH.D., a & JOEL W. GRUBE, PH.D

This study examined whether recreational marijuana legalization (RML) and local retail availability were associated with marijuana and alcohol use and co-use among adolescents.