Human obesity and some of its experimental counterparts
- PMID: 112902
Human obesity and some of its experimental counterparts
Abstract
Human obesity is a manifestation of a positive energy balance. A variety of different factors influence this balance. The varieties of human obesity may be classified as follows: 1. Childhood onset with or without an increased number of adipocytes; 2. The syndromes of neuroendocrine dysfunction including hypothalamic obesity, Cushing's disease, and hyperinsulinism; 3. Dietary obesity; 4. Obesity due to physical inactivity; and 5. Genetic forms of obesity. Among the genetic form of obesity are the Laurence-Moon-Bardet-Biedl syndrome. Alstrom's syndrome, and possibly the Prader-Willi syndrome. Studies in experimental animals have increased our understanding of two of these forms of human obesity. These are: 1. Hypothalamic obesity associated with decreased sympathetic activity, hyperphagia and an increased secretion of insulin. Subdiaphragmatic vagotomy can reverse this syndrome; 2. Genetic forms of obesity inherited as recessive or dominant traits.
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