Serum leptin concentrations in patients with anorexia nervosa, bulimia nervosa and non‐specific eating disorders correlate with the body mass index but are independent of the respective disease

OBJECTIVE Leptin, the product of the ob gene, is a recently discovered hormone secreted by adipocytes. Serum leptin concentrations increase in correlation with the percentage of body fat, but little else is known about the physiological actions of leptin in humans. The aim of this study was to determine the role of leptin in severe eating disorders, and whether its levels are correlated with the specific disease or exclusively with body weight.

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