'Poop Transplant' Changes Play Out Over Several Months, Study Finds

Patients who undergo a "poop transplant" to treat severe diarrhea often see their symptoms get better within days, but their gut bacteria continue to undergo dramatic changes for at least three months afterward, a new study finds. Researchers analyzed the gut bacteria of eight patients who had Clostridium difficile, a difficult-to-treat bacterial infection that can be life-threatening. After several earlier treatments for their infection didn't work, all of the patients underwent a procedure cal