Stuff You Should Know Stuff You Should Know

SYSK Gets Weird Playlist: What's the deal with blue people?

Sep 18, 2026 · 46m

Summary

Hosts Josh Clark and Chuck Bryan explore the history of the Fugate family in Kentucky, whose blue skin resulted from a rare genetic mutation causing methemoglobinemia. They explain the biological mechanism involving oxidized iron in blood and how Dr. Madison Cawein discovered a simple pill cure. The episode also covers argyria, a permanent condition where excessive silver ingestion turns skin blue, citing Paul Kerschen as a cautionary tale. Finally, the hosts discuss recent research showing that human skin color can shift significantly over just 100 generations due to environmental UV expos…

Topics discussed

Sponsor: Brilliant Online Math Tutoring Sponsor: YouTube Premium Sponsor: Virgin Voyages Introduction and Source Credits The Origin of the Blue Fugate Family Inbreeding and the Spread of the Condition Defining Methemoglobinemia Tangential Discussion on Vitiligo and Michael Jackson The Science of Blood Color and Oxygen Sponsor: McCormick Seasonings The Enzyme That Converts Metoglobin Dr. Madison Cowen and the Kentucky Cold Case Discovering the Cure with Methylene Blue The Decline of the Blue Fugates Colloidal Silver and Stan Jones Sponsor: AirTasker Sponsor: McCormick and Lingo Medical History of Silver and FDA Regulation The Fate of Stan Jones Genetics of Skin Color and Melanin Listener Mail and Closing Remarks Sponsor: AirTasker Sponsor: California State Promotion
Listen ad-free on Castria