vicious, cripple, diaper, assortment, waste away, over the course of, vanish, disappear, fecal (of feces), misfits, cure, in a matter of, blew me away, sheer number of, mystery, puzzling, sequence, enlist, cottage, scum, exile, survey, yield, tackle this problem, initiative, ecosystems, gums.

In 2008, Dr. Khoruts, a gastroenterologist at the University of Minnesota, took on a patient suffering from a vicious gut infection of Clostridium difficile. She was crippled by constant diarrhea, which had left her in a wheelchair wearing diapers. Dr. Khoruts treated her with an assortment of antibiotics, but nothing could stop the