Teens: Pretty Sober, Except For Marijuana And Vaping Teens: Pretty Sober, Except For Marijuana And Vaping NPR Overall teen drug use stable, but marijuana edging up, survey finds CNN US teen use of marijuana remains high, vaping may be factor ABC News Richard Miech | University of Michigan Youth and Social Issues Program (YSI) Youth and Social Issues Program Marijuana and Vaping Are More Popular Than Cigarettes Among Teenagers New York Times Full coverage