Porphyria
In 1964, in an article, On Porphyria and the Aetiology of Werewolves, published in the Proceedings of the Royal Society of Medicine, L. Illis proposed that porphyria might be an explanation for werewolf legends. Later, Nancy Garden argued for a connection between porphyria and the vampire belief in her 1973 book, Vampires. In 1985, David … Read more