Doctors are developing a 'Dracula' drug from the saliva of vampire ... This destroys fibrin, which helps blood clot. During the mid-1980s, it emerged that the vampire bat enzyme was genetically ...

It's also much more violent than the cartoon itself, with onscreen blood and horror movie imagery. (You can't do Dracula justice at TV-Y7.) The movie's set-up is this: After Dracula was vanquished ...

Cage, 58, is hard at work playing iconic vampire Dracula in Universal's Renfield ... Hoult, 32, also appeared covered in blood between takes. Never miss a story — sign up for PEOPLE's free ...