29
May
Sunscreen buying guide
Choose the wrong sunscreen and you or your kids could get burned. Ultraviolet radiation may promote skin cancer in two ways: by damaging the DNA in skin cells and by weakening the body’s natural defenses against cancer cells.
Tested sunscreens have a sun protection factor (SPF) of between 30 and 75+. Most claim “broad spectrum” protection against both ultraviolet A radiation, which tans and ages skin, and UVB radiation, which causes sunburn. All things being equal, if you get a sunburn after 20 minutes without sunscreen, an SPF 30 product would protect you for about 10 hours (20 minutes x 30). But in reality  … Video and more
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on Tuesday, May 29th, 2012 at 12:19 pm and is filed under Misc., Video - general.
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