NIDA's Dr. Nora Volkow Discusses Marijuana's Effects on the Brain, Body & Behavior March 14, 2021 cbdnews How Marijuana Works Comments Off on NIDA's Dr. Nora Volkow Discusses Marijuana's Effects on the Brain, Body & Behavior 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 …