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You've touched on the major points already: vitamins and skin colour. They are linked to an extent. Vitamin D is the major vitamin we get from sunlight. It's partly a "happy vitamin" in that it pr...
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You've touched on the major points already: vitamins and skin colour. They are linked to an extent. Vitamin D is the major vitamin we get from sunlight. It's partly a "happy vitamin" in that it pr...