Humans need sunlight to make Vitamin D: where do our evolutionary relatives who have thick fur over most of their bodies get theirs?

2 weeks ago 16

Do they get enough exposure on areas like face and hands? Do they synthesize their own?

How similar are human dietary needs for Vitamin D in other primates? Other mammals? Reptiles who have scales blocking light?

submitted by /u/bareass_bush to r/askscience
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