Marijuana

Marijuana: Facts for Teens - From the National Institute on Drug Abuse, comprehensive information about marijuana and its effects.
www.nida.nih.gov/MarijBroch/Marijteens.html

Marijuana's Adverse Effects - Answers questions about becoming dependent, common side effects, and physical effects.
familydoctor.org/online/famdocen/home/common/addictions/drugs/485.html