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What causes a beer belly?

Dr. Mehmet Oz, MD
Cardiology (Cardiovascular Disease)
Along the intestinal freeway, the parking garage that is your omentum -- which is located next to your stomach and serves as your primary storage facility of fat -- looks like a stocking draped over a hanger (the stomach is the hanger), but changes depending on how much fat you're storing.

In a person with little omentum fat, your stomach looks as if it has nylons hanging off it—thin, permeable, with some webbing. But in a person with a lot of omentum fat, the hanger looks as if snow pants are hanging on it—the fat globules are so fat that there's no netting or webbing whatsoever. So the omentum hangs underneath the muscles in your stomach, which is why some men with beer guts have hard-as-keg bellies—their fat is underneath the muscle. (Note: while cells can convert to fat in the liver, getting fatter is more of a case of your existing cells growing. When you add body fat, you don't get more fat cells, just more fat in each cell.)
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YOU: On A Diet Revised Edition: The Owner's Manual for Waist Management

For the first time in our history, scientists are uncovering astounding medical evidence about dieting -- and why so many of us struggle with our weight and the size of our waists. Now researchers...

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.