Obesity
Overweight and obesity are defined as abnormal or excessive fat accumulation that presents a risk to health. A crude population measure of obesity is the body mass index (a person’s weight (in kilograms) divided by the square of his or her height (in meters). Overweight and obesity are major risk factors when people eat more calories than they burn off; their bodies store the extra calories as fat. for a number of chronic diseases, including diabetes, cardiovascular diseases and cancer. Obesity is an abnormal accumulation of body fat, usually 20 percent or more over an individual's ideal body weight. Obesity is associated with an increased risk of illness, disability, and death. It may be simply an extreme degree of
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