What is the cause of obesity?

What constitutes obesity in America?
The human body’s liberal storage of excess body fat is obesity. Naturally, the body is in need of fat for a source of energy, insulation and protection of the internal organs. In order to classify a person with excess body fat companies such as the Metropolitan Life Insurance Company depict a range of desirable weights for particular heights. Another method of determining obesity is by a body mass index (BMI). Most physicians use the BMI to determine desirable weights. . People having a BMI over 30.0 are obese. This method is fallible because weight is not always a correct dictation of obesity. Those of are body builders may have a high BMI because muscle tissue weighs more than fat tissue. According to the Nation Institutes of Health, in the United Sates 97 million adults are overweight or obese – 55 percent of the population. Nearly 23 percent of the population is obese, up from 13 percent in 1960. Between 1991 and 1999, obesity among America...