Elemental
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Elemental

What If Avoiding the Sun Is Bad for You?

The pros and cons of sun exposure don’t start and end with vitamin D and skin cancer

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

Markham Heid

I write about health, science, and psychology. My work has appeared in Time magazine, the New York Times, Vice, and elsewhere. I live in Germany.