Biting fingernails, gnawing on pen caps and pencil erasers or chewing ice may be your way to deal with boredom or relieve stress, but oral health experts warn that it can lead to cracked, chipped or ...

Chewing ice is bad for your teeth because it can damage your tooth enamel, or the protective layer that shields your teeth from decay. You especially shouldn't chew ice if you have fillings, braces, ...

While some people have heard of pica - the mental health condition that causes people to want to chew or eat substances of no nutritional value such as paper, clay or dirt - fewer people have heard of ...

Matthew Cooke does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...