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Shedding Light on Sunscreen: How Good Is It?

With so types of sunscreen on the market, some blocking UVA rays, other UVB, some that block both…and ratings ranging from SPF 10 to SPF 100…what does it all mean? The U.S. Food and Drug Administration has just announced some significant changes that will help us figure out how effective sunscreens really are. They will …

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