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Sunscreen: Difference between revisions
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→UV Rays in Sunlight
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'''UVB:''' | '''UVB:''' | ||
UVB rays are the main cause of sunburns and the damage of the skin. These rays are the most intense of the two and they are the most harmful. Although the UVA rays penetrate the skin more deeply, UVB rays are the main cause of skin cancer in sunburns. UVB rays have shorter wavelength, but are more powerful. | UVB rays are the main cause of sunburns and the damage of the skin. These rays are the most intense of the two and they are the most harmful. Although the UVA rays penetrate the skin more deeply, UVB rays are the main cause of skin cancer in sunburns. UVB rays have shorter wavelength, but are more powerful.<ref>Epstein, John. [http://www.skincancer.org/prevention/uva-and-uvb UVA and UVB] “Skin Cancer Foundation”. Web. April 18, 2016- last updated.</ref> | ||
== Video == | == Video == | ||
