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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

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There are 20 feet of blood vessels in each square inch of human skin.

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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

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GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

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