Body mass index (BMI) is a measure of body fat based on your weight in relation to your height, and applies to most adult men and women aged 20 and over. For children aged 2 and over, BMI percentile ...

Health professionals have been using body mass index (BMI) to help decide whether people are overweight or underweight for over 100 years. However, BMI has several flaws. BMI is derived from a simple ...