What's the impact of new marijuana laws? The data so far...

(Wolters Kluwer Health) How has new legislation affected marijuana use in the United States? The best available data suggest that marijuana use is increasing in adults but not teens, with a decrease in marijuana-related arrests but an increase in treatment admissions, according to an update in the January/February Journal of Addiction Medicine, the official journal of the American Society of Addiction Medicine. The journal is published by Wolters Kluwer.