It’s Halloween horror movie time. Why do some people love to be scared while others are squeamish?

It’s Halloween horror movie time. Why do some people love to be scared but others are squeamish? Genetics
Credit: Midjourney/ Heenan

We devour tales of psychopathic killers on true crime podcasts, watch movies about horrible monsters, play games filled with ghosts and zombies, and read books that describe apocalyptic worlds packed with our worst fears.

This paradox is now being resolved by research on the science of scary play and morbid curiosity. Our desire to experience fear, it seems, is rooted deep in our evolutionary past and can still benefit us today.

Mis- and disinformation are distorting science and public policy. Subscribe to our Daily and Weekly Digests for incisive coverage of ‘disruptive’ innovations in AI, agricultural biotechnology, food, chemicals, nuclear energy, vaccines, and other disruptive innovations.

At first blush, getting close to danger seems like a bad idea. Why would natural selection have instilled in animals a curiosity about the very things they should be avoiding? But there is an evolutionary logic to these actions. Morbid curiosity is a powerful way for animals to gain information about the most dangerous things in their environment. It also gives them an opportunity to practice dealing with scary experiences.

…

Today people inspect predators through stories and movies. Depictions of predators are found in stories passed along through oral traditions around the world. Leopards, tigers and wolves are frequent antagonists in regional folklore. We also tell stories and see films about monstrous fictional predators such as ferocious werewolves, mighty dragons, clever vampires and bloodthirsty ogres.

Indulging in stories about threats is a frighteningly effective and valuable strategy.

Related Articles

Infographic: Global regulatory and health research agencies on whether glyphosate causes cancer

Infographic: Global regulatory and health research agencies on whether glyphosate causes cancer

Does glyphosate—the world's most heavily-used herbicide—pose serious harm to humans? Is it carcinogenic? Those issues are of both legal and ...

Most Popular

ChatGPT-Image-Mar-10-2026-01_39_01-PM
Viewpoint—“Miracle molecule” debunked: Why acemannan supplements don’t work
Screenshot-2026-10-07-at-1.03.15-PM
Anti-vaxxers’ double whammy: Exaggerated vaccine fears have fueled measles outbreaks and preventable deaths—and left survivors more vulnerable to other infections for years
Crossed-Out-Calendar-with-Milk-Carton
Viewpoint: The shocking consequences after a year of Robert F. Kennedy Jr.'s distortions, deceptions, and flat-out falsehoods
Frosted Blueberries Under Magnification
MAHA moms divided over RFK Jr.’s food‑safety efforts, as recall alerts grow and outbreaks spread
Pride and Patriotism in the Breeze
Retreat from identity labels: Does the sharply declining number of young teens identifying as gay and bisexual reflect an ideological shift?
Screenshot-2026-10-08-at-10.41.33-AM
Viewpoint: Wellness patches: Most vitamin supplements are useless and sometimes even dangerous, but this craze is even worse
Screenshot-2026-10-13-at-10.35.49-AM
Challenging health misinformation? People are more likely to believe AI when it responds with empathy
Golden Wheat Under a Starry Sky
Viewpoint: ‘Bureaucratic and economic obstacles’ to agricultural biotechnology: Europe creeps into the 21st century, but blocks remain
Prescription Capsules Scattered on Twenty-Dollar Bills
Facts & Fallacies podcast: America's health care system is broken. A doctor explains how to fix it, Part 2
Screenshot-2026-10-12-at-10.44.38-AM
Widely condemned as unethical, hepatitis B vaccine study funded by RFK Jr’s CDC gets a final greenlight
Executive-Greeting-in-a-Futuristic-Boardroom
Viewpoint: RFK Jr. touts AI to guide health care…but searches using the technology he champions expose him as scientifically illiterate
Cross and Syringe Standoff
Viewpoint: Hijacking Jesus: How anti-vaccine fanatics are exploiting religious exemptions and killing children
Deepfake Democracy Media Mosaic
31 states have passed a patchwork of laws to limit election deepfake commercials. They’re not working very well.
glp menu logo outlined

Get news on human & agricultural genetics and biotechnology delivered to your inbox.