To fight nasty digestive bugs, scientists set out to build a better gut-using stem cells

These HIO structures, each about the size of a BB and grown from stem cells, allow scientists to study the interaction between the cells of the gut lining and microbes that are either normally present in the gut or invade to cause disease. Credit: University of Michigan Medical School If you got hit with any of the 'intestinal bugs' that went around this winter, you've felt the effects of infectious microbes on your digestive system.

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