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Too Much Bacteria a Sign of Irritable Bowel Syndrome?

A University of Southern California research team has found the purportedly found the cause of irritable bowel syndrome (IBS): An overgrowth of bacteria in the small intestine. Researchers theorize ordinary bacteria normally confined to the large intestine may expand into the small intestine, prompting uncomfortable bloating and gas after meals, a change in bowel movements as well as an immune response that may account for the flu-like illness so common in the IBS patient, including...