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Neanderthal skull traits cause modern human brain problems

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New research suggests that Neanderthal skull traits we share with our extinct cousins may be linked to Chiari malformation.

People with Chiari share a smaller, flatter occipital bone than unaffected peers.

Neurosurgeon Yvens Barbosa Fernandes from Brazil ’s State University of Campinas first noticed the resemblance.

“It looks like this is just another way that Neanderthal genes might be influencing our health, and in this case, in a negative way,” said Plomp . The team hopes DNA data will seal the evolutionary link. The study is published in the journal Evolution, Medicine , and Public Health. — Like what you read? Subscribe to our newsletter for engaging articles, exclusive content, and the latest updates. —.