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Dark Skin May Have Evolved to Protect Against Skin Cancer

Dark Skin May Have Evolved to Protect Against Skin Cancer

At one time, natural selection may have favored those who had the darkest variations in skin color to protect against ultraviolet radiation.PHOTOGRAPH  ABOVE BY SARAH LEEN, NATIONAL GEOGRAPHIC Greaves, who studies the role that disease plays in human evolution, believes his study adds credence to the idea that when earlier hominids shed their shaggy hair […]