medical definition of normal weight obesity
An obese male with a body mass index of 46 kg/mÂ²: weight 146 kg (322 lb), height 177 cm (5 ft 10 in). Obesity is a medical condition in which excess body fat has accumulated to the extent that it has an adverse effect on health.ormal weight obesity is a condition of having normal body weight, but high body fat percentages with the same health risks of obesity.