| Body Mass Index (BMI) Body mass index (BMI) is a measure for determining whether or not an adult is overweight based on a ratio between the weight and height. It was invented Adolphe Quetelet in the 1800s. It is also sometimes referred to as the Quetelet Index. BMI can be determined by the following formulas. Obesity is linked to heart disease, stroke, hypertension, diabetes, and respiratory problems. Therefore, an obese person should loss weight through diet and exercise to stay healthy and avoid medical problems. |