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Biological explanations of obesity

Biologists have identified several hormones that play a key role in eating and the way our body uses energy and stores fat. These hormones include cortisol, insulin, leptin, and ghrelin. In spite of research that shows that these hormones let us know when we are hungry and when we have had enough food, there is still doubt as to their role in obesity.Another theory is that obesity may be the result of a genetic predisposition....

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