Jan 11, 2013 · The bad habit of nail-biting is much more common than you might think. Some studies have found that about one-quarter of children bite their nails .
Oct 24, 2018 · Sometimes adults will also pass through short periods of nail biting. The second type of nail biting is nail biting that is thought to be a symptoms of a serious mental disorder. Careful scientific studies have found what are called several comorbidities that coexist with nail biting.
Nov 03, 2012 · Nail chewing is considered severe when the habit becomes destructive – when it impairs use of the hands or leads to repeated infections. This woman's addiction to biting her nails Author: Daily Mail Reporter.
Jul 26, 2014 · Nail biting can interfere with proper dental occlusion, or the manner in which your upper and lower teeth come together when you close your mouth. Your teeth may shift out of their proper position, become misshapen, wear down prematurely, and become weakened if you bite your nails .