Vampire Myths in Lore and Literature Drew on a Real Blood Disorder

The myth is likely related to a medical condition with symptoms that may explain many elements of centuries-old vampire folklore. Introduction The concept of a vampire predates Bram Stoker’s tales of Count Dracula — probably by several centuries. But did vampires ever really exist? In 1819, 80 years before the publication of Dracula, John Polidori,[…]