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We are joined today by Dr. Jeffrey Friedman of the Rockefeller University, a man who's been at the center of discovery of the
molecular determinants of why we eat what we eat and, more importantly, why we eat so much of what we eat. Over the last three decades, almost daily in the media, alarm has been sounded about the growing obesity epidemic. Friedman has spent his research career doing the discovery and characterization of leptin, one of the most important hormones regulating appetite and hunger.

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