health region north america

A hormone called ghrelin makes you hungry... and happy

By John Hockenberry, Adaora Udoji, Brad Denney

Wednesday, July 30 2008

When we feel hungry, our bodies actually get a boost from a hunger hormone called ghrelin. New research in mice suggests that ghrelin's primary purpose is actually stress relief. Hunger is a side-effect.

Guest: Dr. Michael Lutter, the University of Texas Southwestern Medical Center in Dallas.
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