Doctor says many people don't know how much to use
By Robert Preidt
Sunday, June 12, 2016
SUNDAY, June 12, 2016 (HealthDay News) -- Heading out on a warm, sunny day? Don't forget to cover up -- with sunscreen.
"Everybody -- and I mean everybody -- needs sunscreen," Dr. Jennifer Caudle a family medicine physician at Rowan University School of Osteopathic Medicine in Stanford, N.J., said in a university news release.
"Your ethnicity doesn't matter; how easily you tan doesn't matter. If you go out in the sun without sunscreen you are putting yourself at risk for melanoma, one of the deadliest forms of cancer," she warned.
Sunscreens carry sun protection factor (SPF) numbers, which indicate how much protection they offer against the sun's ultraviolet radiation. The higher the SPF, the greater the protection.
A broad spectrum sunscreen protects against both ultraviolet A and ultraviolet B, both of which can damage the skin and contribute to skin cancer, Caudle explained.
"And a lot of factors can affect sunscreen performance. Swimming and sweating can wash off some sunscreens and most people don't use enough or reapply sunscreen often enough," she said.
Many people don't know how much sunscreen to apply.
"On average, about one ounce. That may not seem like a lot, but it's enough to cover your palm or fill a shot glass," Caudle said.
She added that you should reapply sunscreen at least every two hours for maximum protection even if the sunscreen label advises differently.
SOURCE: Rowan University, news release, May 25, 2016
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