Washington, DC: Marijuana use by teens has fallen sharply in the majority of states that have legalized the adult-use market, according to an analysis of state and federal survey data by the Marijuana Policy Project. MPP’s analysis acknowledges steady declines in self-reported marijuana use by young people in 19 of 21 states for which data is available. Federally funded survey … [Read more...] about Analysis: Steep Declines in Teen Marijuana Use in States With Regulated Cannabis Markets