SAN DIEGO — 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 ...

The fairest thing in nature, a flower, still has its roots in earth and manure. —D. H. Lawrence Yes, fecal transplants are a thing. And they are just as cringeworthy as you might imagine. But to ...