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Yale School of Medicine

How the sun can damage your skin even in the dark

How the sun can damage your skin even in the dark

The damage the sun inflicts on your skin may be even more insidious than was previously thought, according to new research.  A study published Thursday in Science finds that the effects of sun exposure can continue to wreak havoc on your DNA -- even in the dark.  The researchers say that as much as half the harm the sun does to the DNA in skin cells occurs up to three hours after exposure via a chemical process they call the "dark pathway." "The main lesson of our research is that your skin doesn't stop getting damaged when you get out of the sun," said Douglas Brash, professor of therapeutic radiology and dermatology at Yale School of...

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