Humans Might Be So Sickly Because We Evolved to Avoid a Single Devastating Disease – ScienceAlert

Humans Might Be So Sickly Because We Evolved to Avoid a Single Devastating Disease – ScienceAlert

Hundreds of thousands of years ago, our ancestors evolved a simple trick that could have helped thwart a major infectious disease. It probably saved our skins, but the change was far from a perfect s…
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