Here’s When Hair-Pulling, Skin-Picking, or Nail-Biting Habit Becomes a Disorder - Yahoo Lifestyle

Here’s When Hair-Pulling, Skin-Picking, or Nail-Biting Habit Becomes a Disorder  Yahoo LifestyleYou're not alone if you find some “bad” habit weirdly satisfying: freeing an ingrown hair, plucking a stray gray, popping a pimple, gnawing off a pesky hangnail, ...