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:
Nearly 45% of U.S. teenagers try marijuana before finishing high school. Source: NIDA Infofacts: High School and Youth Trends.

View Complete Report:
http://www.nida.nih.gov/infofacts/marijuana.html