Women's Health Weekly
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Anorexia Nervosa
Environment may play role in population variation in leptin physiology
May 5th, 2005
Results of a comparison of leptin levels in Ache Amerindian women, American women with anorexia nervosa, and American women suggest that population variation in leptin physiology is greater than previously thought and that environment may be involved. "Serum leptin, a polypeptide hormone secreted primarily by adipocytes, is a reflection of somatic fat availability in humans and other vertebrates. Among Ache Amerindians leptin levels are very low in contrast to other populations despite comparable adiposity with individuals exhibiting much higher leptin levels," explained Yale University anthropologist R.G. Bribiescas and colleagues. "In order to gain...
Source: Women's Health Weekly (2005-05-05)
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