Detoxing

S5, E4: Penn and Teller expose the truth behind our supposedly toxic insides. We find out about "colonics" and those “cleansing” diets including today’s diet darling, the "Neera Super Cleanse." An actual Parasitologist –- a scientist who studies parasites –- tells us the truth about the parasites among and within us. A visit to the world’s largest inflatable walk-through colon rounds out the episode.