Weight Loss and Control Topic Guide

Weight Loss Weight Loss: Obesity is simply the accumulation of excess body fat. It is much more than that, however. Obesity is a chronic (long-term) disease that is very difficult to treat. It takes 3,500 extra calories to gain 1 pound. To lose weight, you must eat 3,500 calories less than you need, say 500 calories per day for one week, to lose 1 pound.

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