Drugs, alcohol, gambling, video games -- why do some people become addicted? Is it genetic, or something in the environment? Join Ira and guests in this hour of Science Friday for a look at the latest on addiction, from causes to treatment. Can knowing more about the neurobiology of addiction lead scientists to a cure?

Call in with your questions and comments at 1-800-989-8255 (2-3 Eastern). Teachers, find more information about using Science Friday as a classroom resource in the Kids' Connection.

Guests:
Nora Volkow
Director
National Institute of Drug Abuse
National Institutes of Health
Bethesda, Maryland

Shelly F. Greenfield, M.D.
Associate Professor of Psychiatry
Harvard Medical School
Associate Clinical Director
Alcohol and Drug Abuse Treatment Program
McLean Hospital
Belmont, Massachusetts

Rob Malenka
Department of Psychiatry and Behavioral Sciences
Stanford School of Medicine
Stanford University
Stanford, CA

Marvin Seppala, M.D.
Chief Medical Officer
The Hazelden Foundation
Center City, Minnesota

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This segment produced by Annette Heist