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I'm Still Hungry: Is Your Brain Telling You to Overeat? (excerpt)

Jeffrey Pessin, Ph.D., describes how the communication between the gut and the brain can malfunction, causing people to overeat.  He explains how many people who are overweight have become insensitive to leptin, a hormone secreted by fat cells that tell the brain that the person is full.  Dr. Pessin is director of the Diabetes Research Center at Albert Einstein College of Medicine. Hosted by Gordon Earle, associate dean for communications and public affairs. Watch full interview.
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