Study: Marijuana top illegal drug used worldwide

LONDON (AP) — Marijuana is the most popular illegal drug used worldwide, but addictions to popular painkillers like Vicodin, Oxycontin and codeine kill the most people, according to the first-ever global survey of illicit drug abuse.



via Health News Headlines - Yahoo! News http://news.yahoo.com/study-marijuana-top-illegal-drug-used-worldwide-165805790.html