No matter how scary a horror movie might be, there is always the comforting fact that it’s ‘just a movie’.
But psychologists have found that the truth behind the films like Nosferatu or American Werewolf in London is no less strange and terrifying.
According to clinical psychologist Brian Sharpless, some classic movie monsters can actually be explained by rare psychological conditions.
From the real vampires compelled to drink human blood to people who believe they are zombies, these conditions are
