Werewolves fact of fiction?

i am not sure if there are people that physically change into human like wolf creatures or even into wolfs i cant be sure if that is true. but there is a mental disorder were a person thinks they are a werewolf it is called Lycanthropy. then there is Hypertrichosis which is a disease in witch thick dark hair covers the body it is also know as "Werewolf Syndrome". ether way some form of a werewolf exist but whether or not the mythical version where a person changes into a wolf like creature is out there or not i have no idea and i dont think we ever will. so leave a comment telling me if you think real mythological werewolves exist of not