Skin Cancer May Have Driven Evolution of Black Skin – Philly.com

Skin Cancer May Have Driven Evolution of Black Skin
Philly.com
WEDNESDAY, Feb. 26, 2014 (HealthDay News) — Black skin may have evolved to protect early humans who lived up to 1.8 million years ago from skin cancer, a new study suggests. The British research team bases their theory on data from today's African 

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