As people that rely on the sun for so much and spend much of the day in it, why haven’t we developed an immunity to sun related issues such as burns, cancers, etc.. ?
It’s amusing that our greatest source of life is also our deadliest enemy if we are exposed for too long
In: Biology
Skin is a compromise. Fair skin allows you to make more vitamin D, but it can be easily damaged. Dark skin protects you from damage, but vitamin D is an essential nutrient that has few natural sources.
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