Drugs, alcohol, gambling, video games -- why do some people become addicted? Is it genetic, or something in the environment? Can study of the neurobiology of addiction lead scientists to a cure?
Nora Volkow, director of the National Institute of Drug Abuse; National Institutes of Health
Dr. Shelly F. Greenfield, associate professor of psychiatry, Harvard Medical School; associate clinical director of the alcohol and drug abuse treatment program, McLean Hospital in Belmont, Mass.
Rob Malenka, Pritzker professor in psychiatry and behavioral sciences, Stanford University
Marvin Seppala, M.D., chief medical officer, the Hazelden Foundation