Understanding obesity in humansA new study by UT Southwestern Medical Center suggests that when fat cells increase in size - as they do during the development of obesity - the cells progressively lose receptors for the hormone leptin, a powerful stimulus for fat burning. Leptin, a hormone produced by the body’s fat cells and involved in the regulation of body weight, was first discovered in 1994. It was thought leptin itself would be a key to curing obesity in humans, but the hypothesis did not readily translate into weight loss in… |
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Revision date: December 5, 2007
Last revised: by Amalia K. Gagarina, M.S., R.D.
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