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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

What if vampire legends were rooted in a real disease?

This week, we’re breaking down Porphyria — a rare genetic disorder that disrupts heme production and can cause extreme sunlight sensitivity, blistering skin, severe abdominal pain, and neurologic crises.

🔗 Check all our links, sources, and socials:https://linktr.ee/thecadaverslessons

📚 References

1. Medicover Genetics. Porphyria—The Facts Behind the So-Called Vampire Disease. https://medicover-genetics.com/porphyria-the-facts-behind-the-so-called-vampire-disease/
2. Mayo Clinic Staff. Porphyria: Symptoms & Causes. Mayo Clinic.https://www.mayoclinic.org/diseases-conditions/porphyria/symptoms-causes/syc-20356066
3. Hefferon M. Vampire Myths Originated With a Real Blood Disorder. Queen’s Gazette. https://www.queensu.ca/gazette/stories/vampire-myths-originated-real-blood-disorder (Queen's University)
4. Wikipedia Contributors. Porphyria. Wikipedia, The Free Encyclopedia. Updated February 2026. https://en.wikipedia.org/wiki/Porphyria (Wikipedia)
5. Nester EW, Anderson DG, Roberts CE, Pearsall NN, Nester MT. INHERITANCE PATTERNS. In: Understanding Genetics: A Molecular Approach. https://www.ncbi.nlm.nih.gov/books/NBK115561/ (NCBI)
6. National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK). Porphyria. NIDDK Web site. https://www.niddk.nih.gov/health-information/liver-disease/porphyria (NIDDK)
7. Gene.Vision. Genetic Basics & Inheritance Pattern. https://gene.vision/genetic-basics-inheritance-pattern/
8. Porphyria Foundation. History of Porphyria. Porphyria Foundation. https://porphyriafoundation.org/for-patients/about-porphyria/history-of-porphyria/
9. Wiley Online Library. Porphyria and Related Disorders: Clinical, Diagnostic, and Therapeutic Challenges. Liver International.https://onlinelibrary.wiley.com/doi/10.1111/liv.15960

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In this episode, we explore the dark and fascinating history of early blood transfusions—and the ethical failures that nearly erased the practice for generations. Centered on the 17th-century experiments of Jean-Baptiste Denis, the story examines how medicine, ambition, and belief collided in a time before regulation or informed consent.

We focus on the tragic case of Antoine Mauroy (often recorded as Antoine Meury), a marginalized patient who underwent multiple animal-to-human blood transfusions. These procedures, intended to “improve” behavior, instead contributed to his death and sparked a legal and ethical firestorm. Denis was charged with manslaughter, Mauroy’s wife was implicated in poisoning, and blood transfusion itself was ultimately banned in France for over a century.

📚 References

1. Leake, C. D. (1959). Early blood transfusion experiments. Journal of the History of Medicine and Allied Sciences, 14(4), 403–420.
2. Mullin, G. E. (1990). Animal-to-human blood transfusion in the seventeenth century. Annals of Internal Medicine, 113(12), 950–953.
3. Porter, R. (1997). The greatest benefit to mankind: A medical history of humanity. London, UK: HarperCollins.
4. Wear, A. (2000). Knowledge and practice in English medicine, 1550–1680. Cambridge, UK: Cambridge University Press.
5. Watson, K. (2016). Poisoned lives: English poisoners and their victims. London, UK: Hambledon Continuum.
6. Sharpe, J. A. (1984). Crime in early modern England, 1550–1750. London, UK: Longman.
7. Learoyd, P. (2012). The history of blood transfusion prior to the 20th century. British Journal of Haematology, 158(6), 686–693.