Incredible Medicine: Dr. Weston's Casebook

Episode 4 (1x4)

Air date: Mar 15, 2017

This time, we meet a girl with two hearts, a man who can sing two notes at once, a woman who can bend in amazing ways, a girl who is allergic to everything and a man who can run 350 miles without stopping. These remarkable cases reveal the secret inner workings of our bodies - the ultimate piece of natural engineering.