Why Being Apple-Shaped Puts Your Heart at Risk

Belly body fat is active (:46)
Dr. Laurence Sperling on why your spare tire can kill you.

Laurence S. Sperling, MD, founder and director of Preventive Cardiology at the Emory Clinic in Atlanta, explains why certain types of fat are more deadly than others. Abdominal fat is biologically active, while lower body fat is less so.

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