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Lamont Picks Yale Physician To Be State s New Health Commissioner

Lamont Picks Yale Physician To Be State s New Health Commissioner
dailyvoice.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dailyvoice.com Daily Mail and Mail on Sunday newspapers.

Differences between SPF 30, 50 and 100: Does more SPF matter?

WHAT WE FOUND: According to the American Cancer Society, SPF (sun protection factor) correlates to how much protection a sunscreen offers against UVB rays. They say that SPF 15 filters 93% of UVB rays, SPF 30 filters 97%, SPF 50 filters 98% and SPF 100 filters about 99%. But here’s the twist: that’s only true if you use the right amount of sunscreen, an entire shot glass-full, reapplied every two hours. “This is based on the assumption that people apply a very large amount of sunscreen which they absolutely do not, Dr. Friedman, chair of the dermatology department at GWU, said. So technically above an SPF 50 you re not going to get that much more protection from UVB; however, because people don t apply enough, there is a dilutional effect. So for example, 100 ends up being like a 50, 50 ends up more being like a 25.

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