Marijuana Use Growing Among Teenagers

http://well.blogs.nytimes.com/2011/12/14/marijuana-growing-in-popularity-among-teenagers/?ref=health

This article reports a growing number of teenagers who are using marijuana. A research reported that one out of every 15 high school students smokes marijuana on a daily basis. Also, marijuana is more prevalent than cigarette among teenagers. Although use of marijuana increased, use of other drugs has declined.