Some individuals suffering from irritable bowel syndrome and other health issues say they have seen improvement after eating probiotic foods. These products, which contain "friendly" bacteria, have been linked to improved gut health as well as better immune response, some doctors and researchers report. The evidence is not yet concrete, however. "Unfortunately we don't have the long-term studies to prove whether or not there is a definite health benefit to large-scale patients," said a doctor from Dallas' Baylor Medical Center.
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