Look at that unflattering brown spot on your cheek. It doesn't need to be there if you don't want it to be. All it takes is a little money, and a dermatologist's laser can zap it away in a flash. Last year, in fact, dermatologists performed about 60 million noninvasive antiaging treatments in the U.S. alone. But soon, thanks to a group of medical-device makers, you'll be able to remove age spots, zits, even wrinkles, without a dermatologist, without leaving your house. And if all goes according to plan, you won't even have to worry about singeing your eyebrow in the...
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