Only 2% Of Humans Have Red Hair — An Evolutionary Biologist Explains Why
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Red hair comes from a pigment switch that doesn't work, and the surprising part is that evolution may never have favored it at all. A biologist explains.
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https://www.forbes.com/sites/scotttravers/2026/09/12/only-2-of-humans-have-red-hair---an-evolutionary-biologist-explains-why/
