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What’s Going On in Your Body When You Watch a Horror Movie

If you’re a thrill-seeker, you’re familiar with that rush of excitement you feel during the climax of a horror movie. Sure, you know Freddy Krueger and Jigsaw exist only onscreen, but they still make your palms sweat and leave you with nightmares for weeks. “The brain is wired to treat what it sees as real,” Glenn Sparks, professor and associate head of the Brian Lamb School of Communication at Purdue University, tells Yahoo Health. “It is very difficult to tell the primitive brain to ignore