All people without mental disorders are susceptible to fear.
>horror
>the film-musical "Sweeney Todd: The Demon Barber of Fleet Street"
The only good "horror" writer is Stephen King. No sudden scares, no gore, no cheap thrills.
Salimov's work, for example, is capable of killing a person with its tediousness; it's better to watch a less boring, but still titanic film.
Only his short stories are readable from the horror genre.