How are Body Mass Index (BMI) and waist size related to obesity?

Body mass index, based on height and weight, is a key indicator of obesity but waist size is just as important, says internist Dr. Roshini Raj. Watch this video to learn if you should whittle your middle.

Have you had your waist measured? Here’s why it might matter.

Learn how body weight can affect disease risk.

Carrying extra pounds around your waist can be hard on your health. Here's how to reduce your risk.

Find out why belly fat is particularly dangerous for your health.

While much of your cancer risk is out of your hands, you may be able to lower your odds by managing your weight.