1,700 years ago, Chinese alchemist Ge Hong was renowned for his soup that could cure diarrhea-stricken patients. It had a surprising secret ingredient: feces. While it might seem unwise to consume feces, exciting new research suggests that taking poop into the body in other ways might benefit our health. Kathryn M. Stephenson & David L. Suskind share the science of fecal microbial transplantation.

Lesson by Kathryn M. Stephenson and David L. Suskind, directed by Luisa Holanda.

[TED Ed]