Werewolves

Most of us are familiar with the idea of a werewolf - that someone can change, either deliberately or unwillingly, into a ravenous creature - but is there some justification for such a belief? And if so, how is it achieved - through magical potions or ointments or simply by the light of the full moon? Or is the whole thing simply a form of delusion, the product of a disturbed mind?In WEREWOLVES, a...