Do you find your fingers drifting into your mouth when you’re nervous, anxious or just bored? Are your nails chewed to splinters or your cuticles gnawed to bleeding pulp?

Nail biting is more than a bad habit. Doctors say it is one of the most common symptoms of stress or of an obsessive-compulsive disorder, especially for teenagers or younger children, and can lead to disfigurement and serious infection.

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http://www.msnbc.msn.com/id/20641923/