01-25-2021, 12:55 PM
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#3633 (permalink)
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one-balled nipple jockey
Join Date: Dec 2010
Location: Dirty Souf Biatch
Posts: 22,033
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https://www.webmd.com/food-recipes/q...n-d-deficiency
Quote:
Can skin tone cause vitamin D deficiency?
ANSWER
Melanin, which causes skin pigmentation, lowers the skin's ability to make vitamin D in response to sunlight exposure. Some studies show that older adults with darker skin are at high risk of vitamin D deficiency.
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