Everything you need to know about cheek biting

While most people have accidentally bitten the inside of their cheek before, some people bite their cheek compulsively over a long period. Chronic cheek biting is a body-focused repetitive behavior that has an association with obsessive-compulsive disorder.

Cheek biting and the biting of other areas in the mouth affect 750 out of every 1 million people. Research suggests that this behavior is more common in females than in males.

Cheek biting can affect people of all ages, but it may be more likely in children. In an older survey from 2005, researchers showed that the prevalence of cheek and lip biting in children between the ages of 2 and 17 years in the United States was slightly under 2%.

Full story at Medical News Today