Sharing a special episode from our friends at Revisionist History, Malcolm Gladwell’s podcast about things misunderstood and overlooked. On this brand new season, Malcolm’s obsessed with experiments – natural experiments, scientific experiments, thought experiments. In this preview, you’ll learn about a mysterious and disfiguring disease that plagued parts of the world. No one could find a remedy until a doctor in Ohio conducted a controversial experiment…with an everyday condiment.  You can hear more Revisionist History at https://podcasts.pushkin.fm/rhs7?sid=planet. See omnystudio.com/listener for privacy information.