uv light

Ultraviolet radiation: what you can’t see can still hurt you

A few weeks ago, a friend of mine showed me an article on MSN about a man whose face was obviously more wrinkled on...
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today i learned (til)
Katelyn Sturdivant

Ultraviolet radiation: what you can’t see can still hurt you

A few weeks ago, a friend of mine showed me an article on MSN about a man whose face was obviously more wrinkled on...