Humans are less hairy than most mammals due to evolution. Scientists believe this change helped early humans stay cool while running and working in hot climates. Over time, we kept hair in key areas for protection, like the scalp and eyebrows. Genetics also play a role in hair thickness and growth. This adaptation reflects how the human body evolved to survive and thrive in different environments.
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Mane Talk: Why humans aren’t as hairy as other mammals
