Teens’ overall substance use declining, but marijuana use rising

20 julio 2015

Marijuana use in teenagers is on the rise, while cigarette and alcohol use are stable or declining, according to health statistics researchers. In particular, black teens are using more marijuana than in recent decades.img src=»http://feeds.feedburner.com/~r/sciencedaily/~4/HLLnj0UhSgU» height=»1″ width=»1″ alt=»»/