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Re:Vitamin D supplementation to prevent acute respiratory tr... by bdcs on Monday March 02, 2020 @01:35PM (#22467286)
> - Apparently the soil of Scandinavia is well suited to crops that are high in Vitamin D

IIUC it's the other way around. soil/climate allows for foods low in Vitamin D -> Vitamin D needed from other sources -> evolutionary pressure for getting it from the sun -> less melanin in skin

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