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Asked by killa to Colin, John, Kevin, Shikha, Triona on 10 Nov 2014. This question was also asked by 328bera39, 622bera39.
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Kevin Motherway answered on 10 Nov 2014:
No. There’s no scientific evidence for Zombies, but they do perform an essential role in the plots of numerous good films, so the world is a better place with them.
In nature there are Zombies of a sort. There’s a particular wasp that preys on cockroaches by stinging it and then it burrows into the cockroaches brain and it effectively turns the cockroach into a zombie by mulching the higher functioning part of the brain, but it keeps the cockroach alive enough to drag it to the wasp nest (the tiny wasp tugs it a bit and it marches in the direction its tugged) and then the wasp lays eggs inside the cockroach and it’s eaten alive from the inside out by the wasp larvae. Hopefully its pain receptors are also wiped out by the wasp’s brain surgery. Not an nice way to go!
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Shikha Sharma answered on 12 Nov 2014:
hi Killa,
Zombies featured widely in Haitian rural folklore, as dead persons physically revived by the act of necromancy. Naturally it can not happen. However, Wade Davis, a Harvard ethnobotanist, presented a pharmacological case for zombies in a 1983 paper in the Journal of Ethnopharmacology. He claimed that a living person can be turned into zombie if the person is injected some special chemicals consists of fatal neurotoxin and dissociative drugs. Davis’s claim has been criticized widely and medical community has dismissed the neurotoxin as cause of such state. There are many claims of existence of real zombies, but medically it is hard to explain and believe.
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