Dr. Volkow talks about marijuana

Hear a fascinating presentation by Dr. Nora Volkow, Director of the National Institute on Drug Abuse, about the effects of marijuana use on the brain, body and behavior. Dr. Volkow's remarks were given earlier this month.



Toward the end of her talk, Dr. Volkow states that the "single most powerful" way to minimize harm related to youth marijuana use is prevention.  She notes, "Prevention in young people works!"