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		geomark on Nov 22, 2020 \| parent \| context \| favorite \| on: Vit-D in asymptomatic and critically ill Covid-19 ... Tangential question: How long does it take exposure to sunlight to affect serum levels?

kevinmchugh on Nov 22, 2020 [–]

Depends on latitude, season, and melanin, as I understand it

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