Resumen de Concerns mount over gut-bug swaps
A survey of fecal transplant practitioners carried out by New Scientist reveals anecdotal reports of patients showing unexpected symptoms after the procedure. Fecal transplants are thought to work by overhauling an unwell person's gut microbes by introducing those of a healthy donor. Clinical trials have shown that this works for people with otherwise untreatable Clostridium difficile infections--banishing the potentially fatal bacterial infection 90% of the time. When it comes to other disorders, though, there's not enough evidence to say whether the procedure works. That hasn't stopped clinics and online forums recommending the procedure for everything from irritable bowel syndrome and ulcerative colitis to depression, arthritis, Alzheimer's and even autism
