House Calls

SUM 2017

House Calls Magazine is a quarterly publication that focuses on health and wellness. It includes a wide assortment of articles with topics on the latest health and wellness information, nutrition, safety, lifestyles, and more.

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Page 9 of 54

news, views, events, etc. h o u s e c a l l s { summer 2017 } 5 You slather here, spray there , but are your sunscreen smarts really up to snuff? A 2016 American Academy of Dermatology (AAD) survey found that many Americans are confused by SPF designations: of those polled, 68 percent thought that SPF 30 provides twice the protection as SPF 15 sunscreen, and only 45 percent knew that a sunblock with a higher SPF does not protect skin for any longer than a lower- SPF lotion (they both provide roughly two hours worth of coverage). Keep these tips in mind next time you lather up: Buy broad-spectrum. This descriptor means the sunscreen shields against both ultraviolet A and ultraviolet B rays, which damage the skin in different ways. UVB rays cause sunburn while UVA lead to wrinkles and pigmentation changes (both can result in skin cancer). Know the numbers. According to the AAD, SPF 15 blocks 93 percent of the sun's UVB rays, SPF 30 blocks 97 percent, and SPF 50 blocks 98 percent. Experts recommend using SPF 30 or higher, but note that no sunscreen can filter out the sun's rays completely. Seek shade or wear protective clothing for extra defense. Reapply often. The AAD suggests doing so every two hours, after toweling off, when sweating, and after swimming. What's the deal with "water-resistant" or "very water-resistant" screen? The former protects the skin during 40 minutes of sweating or swimming; the latter provides 80 minutes worth of protection. Sun Blocked buzz the

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