Marijuana

Brief Description:	The most commonly used illegal drug in the U.S. The main active chemical is THC.
Street Names:	Pot, ganga, weed, grass, and many others.
Effects:	Short-term effects include memory and learning problems, distorted perception, and difficulty thinking and solving problems.
Statistics and Trends:	In 2006, 25 million Americans age 12 and older had abused marijuana at least once in the year prior to being surveyed. Source: National Survey on Drug Use and Health; http://www.samhsa.gov/. The NIDA-funded 2007 Monitoring the Future Study showed that 10.3% of 8th graders, 24.6% of 10th graders, and 31.7% of 12th graders had abused marijuana at least once in the year prior to being surveyed. Source: Monitoring the Future http://www.monitoringthefuture.org/.

	Marijuana: Facts for Teens. The latest scientific information about marijuana and its effects. Written for teenage readers. (Booklet). En Español
	Marijuana: Facts Parents Should Know.Current scientific information for parents. (Booklet). En Español
	NIDA Infofacts: Marijuana.The latest research findings for a general audience. (Fact sheet). En Español
	NIDA Research Report: Marijuana Abuse.More detailed look at the latest research findings. For a general audience. (Report). En Español

View all related NIDA publications >>

Need a treatment referral?
Call 1-800-662-HELP or visit findtreatment.samhsa.gov