[Skin Concerns] TIL 55% of fair-skinned men with high cumulative sun exposure has actinic keratosis. In Australia prevalence is estimated at 40-50% in adults. In Europe, prevalence is estimated at 11-38% in adults.

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https://en.wikipedia.org/wiki/Actinic_keratosis
Girls Blog 2015
Submitted by RaymioSun