Human Evolution: Arthritis Evolved When Humans Left Africa

When the first humans left Africa around 100,000 years ago, they got shorter. The evolutionary shift helped them cope with the colder conditions—a more compact body size helped protect them from frostbite, while and shorter limbs would be less breakable when they fell—but it also appears to have come with a downside: arthritis. In a study…

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ACTUALITÉ AFRICAINE À TOUTE HEURE

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