You tried burping. You tried bouncing. You tried swaddling. Now what? iStockphoto hide caption

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Can Probiotics Help Soothe Colicky Babies?
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Billie Iverson, 86, of Cranston, R.I., recently underwent a transplant of intestinal microbes that likely saved her life. Ryan T. Conaty for NPR hide caption

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Microbe Transplants Treat Some Diseases That Drugs Can't Fix
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Gut Bacteria's Belch May Play A Role In Heart Disease
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Microbiologist Emma Allen-Vercoe invented the Robogut, a mechanical device that mimics conditions in the human colon. Courtesy of thestar.com hide caption

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Packages of Activa yogurt, which contain probiotics, on a grocery shelf in Chicago. M. Spencer Green/AP hide caption

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Confusion At The Yogurt Aisle? Time for Probiotics 101
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