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

Re:Is Sunscreen the New Margarine? by goodcanadian on Saturday January 12, 2019 @03:53PM (#18893231)
Another relevant point is that we evolved with a thicker ozone layer, and thus, considerably lower UV flux.
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Re:Is Sunscreen the New Margarine? by nradov on Saturday January 12, 2019 @05:38PM (#18893716)
Is there any hard data on the actual UV levels when modern humans first evolved?
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