http://www.nida.nih.gov/MarijBroch/MarijparentsN.html
National Institute on Drug Abuse, National Institutes of Health
Because many parents of this generation of teenagers experimented with marijuana when they were in college, they often find it difficult to talk about marijuana use with their children and to set strict ground rules against drug use. Parents need to recognize that marijuana use is a serious threat - and they need to tell their children not to use it.