Your Outdated U.S. Sunscreen Exposes You to Needless Cancer Risk
Vera Casanova, rear, applies sunscreen on her daughter Julie, 4, on the beach in Hollywood, Florida (Photographer: Emily Harris/ Bloomberg) 

Your Outdated U.S. Sunscreen Exposes You to Needless Cancer Risk

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(Bloomberg) -- Dermatologist Steve Wang treats skin-cancer patients all day at a Sloan Kettering hospital in New Jersey, so he knows better than most that U.S. sunscreens aren’t up to the job.
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