Biological Phenomena: News and Research on Sunlight

MeSH tree: G16.500.750.775.525

When is a sunburn cause for concern?

Sunburns are common—about a third of Americans get at least one each year—and are, most of the time, mild or treatable. But some burns are more severe than others.

What the science says about sunscreen

As temperatures climb and sleeves grow shorter, a familiar ritual returns: slathering on the sunscreen—or perhaps skipping it. Confusion lingers about how to protect our skin from the sun.

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