Elemental
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Elemental

Michelle, 40, and Aliyah, 16, both wearing sunscreen; Myrtle Beach, South Carolina. Photo by Jacq Harriet

What If Avoiding the Sun Is Bad for You?

ItIt was around 15 years ago that Dr. Matt Zirwas, an Ohio-based dermatologist, first noticed something curious about the people he was treating at his clinic.

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Markham Heid

I’m a long-time contributor at TIME and other media orgs. I write mostly about health. I grew up in Michigan, but these days I live in southwest Germany.