What is the definition of overweight or obesity?
While BMI is not the perfect measurement for assessing increased body fat, it is the most easily obtained measurement that has a high correlation with percent of body fat so most of the standards are set using BMI. Even though there can be some increased health risks within the upper limits of the normal range, various groups such as the World Health Organization, the American Institute of Nutrition and the International Obesity task force, among others have given some guidelines.
