Heart Health
Should you worry about your waistline?
Having a large belly is dangerous to heart health. Learn if you're at risk — and what to do about it.
- Reviewed by Christopher P. Cannon, MD, Editor in Chief, Harvard Heart Letter; Editorial Advisory Board Member, Harvard Health Publishing
Extra padding around your midsection goes by many different names — a spare tire, muffin top, or love handles. Too much of any type of fat isn't healthy, but some forms are worse than others. The flab you can pinch between your fingers is known as subcutaneous fat, which lies just beneath the skin. A more worrisome type of fat lies deep within the abdominal cavity, padding the space between your organs (see illustration).
Known as visceral fat, it does more than add inches around your waistline; it also raises your risk of cardiovascular problems. "Growing evidence suggests that your waist circumference is a better predictor of heart disease than your body mass index," says Dr. Osama Hamdy, medical director of the Obesity Clinical Program at Harvard-affiliated Joslin Diabetes Center. Body mass index (BMI), an indirect estimate of body fat based on height and weight, doesn't distinguish between the different types of fat. "People can have what's considered a healthy BMI but still have a large belly and visceral fat," says Dr. Hamdy.
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About the Author
Julie Corliss, Executive Editor, Harvard Heart Letter
About the Reviewer
Christopher P. Cannon, MD, Editor in Chief, Harvard Heart Letter; Editorial Advisory Board Member, Harvard Health Publishing
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