Answer:
Obesity is the heavy accumulation of fat in your body to such a degree that it rapidly increases your risk of diseases that can damage your health and knock years off your life, such as heart disease and diabetes.
The fat may be equally distributed around the body or concentrated on the stomach or the hips and thighs.
Doctors use BMI because it compares your weight against your height.
You are in the normal range if your BMI is between 18.5 and 25 (kg/m2).
You are overweight if your BMI is between 25 and 30.
You are obese if your BMI is 30 or higher.
You are morbidly obese if your BMI is 40 or higher.