The Basics
What are Overweight and Obesity?
Overweight is a term used to describe someone who is too heavy for his or her height. Obesity means having a high amount of body fat. About two-thirds (over 60%) of Americans are overweight or obese.
How do I Know if I am Overweight?
Finding out your body mass index (BMI) is the best way to learn if you are overweight or obese. Enter your height and weight into this BMI calculator to find out your BMI number and what it means for you.
What Causes Someone to be Overweight or Obese?
Most people become overweight or obese by eating foods high in calories, sugar, and fat and not getting enough physical activity. Genetics and biology can sometimes cause obesity.