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Thousands of years ago, modern humans met Neanderthals in Europe at whatever the equivalent of a singles bar was. They started having a bunch of sex, and now we exist. In the throes of creating the future of humanity, Neanderthals gave us two things: their kickass, pterodactyl-fighting immune systems and allergies.
Those are the discoveries of two papers published Thursday from researchers at the Max Planck Institute for Evolutionary Anthropology, the Institut Pasteur and the National Center for Scientific Research in Paris.
We’ve already heard that 1% to 6% of modern Eurasian genomes came from two forms of early man, the Neanderthals and the Denisovans. But the new studies explore how our inherited traits affected genes, specifically Toll-like receptors, which detect and respond to things like bacteria, fungi and parasites.
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