Despite their gross out factor, fecal transplants – essentially, a poop enema – have revolutionized treatment of Clostridium difficile, a violent diarrheal infection commonly acquired in hospitals. Many researchers (myself included) have excitedly speculated about vast number of potential uses for fecal transplants: treating autoimmune disease, gut disorders, and maybe even metabolic syndromes like diabetes. Indeed, fecal transplants are conquering medicine …