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What really caused the mysterious madness of King George III? 👑 In this episode, we explore one of history’s most debated medical mysteries—the possibility that the British monarch suffered from porphyria, a rare genetic disorder that can cause severe neurological and physical symptoms.

We break down the historical records of George III’s strange behavior, painful physical symptoms, and periods of mental instability, and examine how these episodes triggered a political crisis that nearly reshaped the British monarchy. Along the way, we discuss the Regency Crisis, the royal family’s genetic history, and the challenges historians face when trying to diagnose illnesses centuries after the fact.

Was the king truly suffering from porphyria? Or was it something else entirely? Join us as we unpack the medical evidence, historical context, and ongoing debate surrounding one of Britain’s most fascinating royal health mysteries.

📚 References

1. American Porphyria Foundation. History of porphyria. American Porphyria Foundation website. Accessed March 5, 2026. https://porphyriafoundation.org/for-patients/about-porphyria/history-of-porphyria/
2. Cox TM, Jack N, Lofthouse S, Watling J, Haines J, Warren MJ. King George III and porphyria: an elemental hypothesis and investigation. Lancet. 2005;366(9482):332-335. doi:10.1016/S0140-6736(05)66991-7.
3. Altman LK. 2 Britons find royalty plagued by metabolic disorder: history of porphyria. New York Times. July 3, 1969.https://www.nytimes.com/1969/07/03/archives/2-britons-find-royalty-plagued-by-metabolic-disorder-history-of.html