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Researchers discover moderate sunlight exposure helps prevent skin cancer: NewsTarget.com
To the surprise of scientists, while exposure to the sun's UV rays is the main cause of skin cancer, a recent study says some sunlight also can help prevent it.
The idea of sunlight helping prevent skin cancer may sound like a paradox, but the key is exposure in moderation, immunology scientists at
Sunlight causes vitamin D to synthesize in the body, yielding some protection from the risk of skin cancer. The production of vitamin D is spurred on as an immunity response from the body receiving ultraviolet B (UVB) rays from sunlight.
Increased vitamin D has other health benefits to the body, but excessive UVB rays can damage the skin and raises the risk of skin cancer.
Most people can get the daily amount of vitamin D recommended by the U.S. Department of Agriculture by spending a half-hour to an hour outdoors, health experts told the web site HealthDay.com.
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Researchers discover moderate sunlight exposure helps prevent skin cancer
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