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Dr. Berg talks about sit-ups and how they do not flatten your belly. Yes, they will create some toning, but there is a deeper cause to both the superficial fat just beneath your skin (called subcutaneous fat) and deeper organ fat (called visceral fat) and this is excess insulin. The insulin message is - store fat in your mid-section. Insulin is triggered by excessive carbs (sugars) and frequent eating. 
So if you neglect the "lowering excess insulin" problem while you do sit-ups, your results will be insignificant.

Dr. Eric Berg DC Bio:
Dr. Berg, 51 years of age is a chiropractor who specializes in weight loss through nutritional & natural methods. His private practice is located in Alexandria, Virginia. His clients include senior officials in the U.S. government & the Justice Department, ambassadors, medical doctors, high-level executives of prominent corporations, scientists, engineers, professors, and other clients from all walks of life. He is the author of The 7 Principles of Fat Burning.

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