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Chicago Sun-Times
Chicago Sun-Times
National
Daryl Austin | USA Today

Why do so many people bite their nails?

Most adults can stop biting their nails easily. But there are some tips that can help. (stock.adobe.com)

Nail biting — onychophagia is the medical term for it — is something that up to 30% of the population does, according to UCLA Health. It’s even more common among children.

It sometimes can be a sign of an underlying issue that needs to be addressed.

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