Zombies are real - just ask the parasites taking over the bodies and brains of insects and rodents, leading them to their doom

While pop culture depicts zombies as reanimated corpses, biological reality involves parasites and fungi that hijack the nervous systems of living hosts. These organisms manipulate host behavior to ensure their own survival and reproduction, providing a fascinating study for synthetic biologists.
Why it matters
Understanding these biological mechanisms offers insights into how complex systems process information and how behavior can be externally controlled.
The fungus Ophiocordyceps (stalk growing out of the ant’s head) helped inspire the video game and show “The Last of Us.” Denis Zabin/iNaturalist , CC BY-SA Zombies are real – just ask the parasites taking over the bodies and brains of insects and rodents, leading them to their doom Published: October 30, 2026 8.13pm GMT https://theconversation.com/zombies-are-real-just-ask-the-parasites-taking-over-the-bodies-and-brains-of-insects-and-rodents-leading-them-to-their-doom-292955 https://theconversation.com/zombies-are-real-just-ask-the-parasites-taking-over-the-bodies-and-brains-of-insects-and-rodents-leading-them-to-their-doom-292955 Link copied Share article Share article
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Zombies have taken many forms in popular culture. In Michael Jackson’s “ Thriller ” music video, corpses climb out of their graves and perform an impressively coordinated dance. In HBO’s “ The Last of Us ,” a fungus infects humans, takes over their bodies and turns them into hosts that help spread the infection. Even Plankton has tried his hand at taking control of another organism in “ SpongeBob SquarePants .”
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