3/6/2012

Too much smartphone use can result in "helicopter thumb," according to massage therapist Courtney Lewis. "You see it a lot with iPhones, and H2C phones, and anything that doesn't actually have a keypad, where you're using your thumb to scroll through pages and to advance pages –- overusing; overextending your thumb joint," Lewis said. The cure? Massage therapy.

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WBBM-TV (Chicago)

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