Exposure to UV light is not "so harmful". What is harmful is being indoors all the time, and getting out so rarely that you get sunburned in short amount of ti

Exposure to UV light is not "so harmful". What is harmful is being indoors all the time, and getting out so rarely that you get sunburned in short amount of time. Far more damage is done by being indoors too much than being outdoors too much. The white skin has evolved because the body needs sun and UV light to function, one would die otherwise.