Dark skin gives you some protection from sun, but not nearly enough - somewhere around SPF 10 IIRC. Increased melanin level helped, but didn’t solve the proble

Dark skin gives you some protection from sun, but not nearly enough - somewhere around SPF 10 IIRC. Increased melanin level helped, but didn’t solve the problem. It’s evolution driven, so it gave people living in more sunny places enough of protection, so they can reproduce.