Medical Marijuana Laws and Adolescent Marijuana Use in the USAIn theĀ current June 2015 issue of Lancet, findings consistent with previous evidence suggest that passage of state medical marijuana laws does not increase adolescent use of marijuana. Whether access to a substance for medical purposes should be determined by legislation rather than biomedical research and regulatory review is debatable. However, concerns that increased adolescent marijuana use is an unintended effect of state medical marijuana laws seem unfounded.

Medical marijuana laws and adolescent marijuana use in the USA from 1991 to 2014