...stop biting my nails.
There's no question that nail biting is a gnarly habit (just ask Sarah Jessica Parker). But is it a dangerous one too? "It transfers bacteria from under the nails into your mouth and broken skin," says LA-based celeb manicurist Kimmie Kyees. "It also causes stress fractures in tooth enamel." Quit biting with a top coat like Zeva No Bite Stop Nail Biting Formula Nail Treatment ($15, amazon.com).
For more help keeping your beauty resolutions, check out this issue of Life & Style Weekly!
Photo Credit: Startraks. Still Life: R/R
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