HOUSTON — It's important to protect your skin from harmful sun exposure, but how do you know when to lather on the sunscreen? That's where the UV Index, which measure UV radiation levels, can help.
Weather forecasts usually include a UV index, a measure of the intensity of ultraviolet radiation from the sun. The higher the number, the greater the risk to people. Most of the radiation that ...
HOUSTON — It's important to protect your skin from harmful sun exposure, but how do you know when to lather on the sunscreen? That's where the UV Index, which measure UV radiation levels, can help.
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