Fecal transplants and probiotic use are two approaches to improving digestive health through microbiotal restoration that are getting researchers' attention. Dr. Colleen Kelly of the Women's Medicine Collaborative at Brown University says fecal transplantation is used to treat patients with Clostridium difficile infection, but it's also being looked at for inflammatory bowel disease, diabetes and even obesity. Meanwhile, Colin Hill at the University College Cork in Ireland says mounting evidence shows live cultures of healthy bacteria or probiotics, in foods or supplements, can have beneficial effects.

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