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list of some horror movie movies without drug usage!!!:
1. dawn of the dead origional and remake
2. the grudge 1 and 2
3. night of the living dead
4. land of the dead
5. the exorsist
6. hellraiser
7. i know what you did last summer
8. scream 3
9. urban legends 2
10. the ring
11. slither
12. house on haunted hill
13. 13 ghosts
14. ghost ship
15. the fog
16. the omen original and remake
17. the hills have eyes
18. black christmas original and remake
19. the hills have eyes 2
20. child's play
.....just to name a few!!!! I am aware that these are not all slasher films and i'm also aknowleging that these are not all good horror films but some of them are. All these films have told their stories without having to involve drug use!!!!!!