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A comment on Is Sunscreen the New Margarine?. Parent comment

Re:Is Sunscreen the New Margarine? by sornen on Saturday January 12, 2019 @03:31PM (#18893127)
The problem here is that UVB levels, required for vitamin D synthesis, decrease dramatically before 9am and after 6pm, whereas UVA does not. The best option for vitamin D synthesis is short sun exposure around midday.
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