No evidence supports the belief that werewolves are real. Legends about werewolves and other shape-shifters are common in many different parts of the world. However, there is no physical evidence that a human can actually change into a wolf.Continue Reading
Rabid wolves are one possible source for the legend of the werewolf. In humans, the symptoms of rabies include aggressive behavior. People who contract rabies from a wolf bite may be seen as having taken on the characteristics of a wolf.
Some genetic disorders also play a role in these legends. For example, congenital generalized hypertrichosis involves excessive hair growth on the face and body that gives the afflicted person the appearance of an animal.Learn more about Folklore