Fat cells in your belly are different from those on your hips. The blood that flows from belly fat goes directly to your liver, while the blood that flows from your hips goes into your general circulation. The livers of those who store fat in their bellies are blocked from removing insulin by the extra fat, so they do not remove insulin from the bloodstream as effectively as the livers of people who store fat primarily in their hips.

A study from Denmark shows why having a fat belly and elevated triglycerides markedly increases your chances of suffering a heart attack (Circulation, Volume 111, 2005.) Your body makes triglycerides from sugar. Abdominal obesity comes from high blood insulin levels. When you eat, your blood sugar level rises. To prevent blood sugar levels from rising too high, your pancreas releases insulin, which converts blood sugar to a type of fat called triglyceride. Insulin also drives triglycerides into the fat cells in your belly. So having high triglycerides and a fat belly are signs of high blood insulin levels, and high blood levels of insulin constrict arteries to cause heart attacks.

If you store fat primarily in your belly you should restrict refined carbohydrates found in foods made with flour, white rice or milled corn, and all added sugars.

Sit-ups are fine for strengthening your belly muscles, but don't believe they will get rid of a fat stomach. Exercising a muscle does not get rid of fat over the specific muscles that are exercised. If it did, tennis players would have less fat in their tennis arms, but they don't. The only way to reduce a fat belly is to lose weight overall.

Dr. Gabe Mirkin has been a radio talk show host for 25 years and practicing physician for more than 40 years; he is board certified in four specialties, including sports medicine. Read or listen to hundreds of his fitness and health reports at http://www.DrMirkin.com

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