Trying to break your nail-biting habit but can't seem to make it stick? It’s not uncommon, especially if you’re an adult nail-biter. Old habits die hard, as they say, and this one’s no exception. It ...

Many people bite their nails at some point, especially as children. It’s a type of body-focused repetitive behavior that goes by the clinical name of onychophagia. There’s a spectrum of nail biting.