Hidden Dangers Of Biting Your Nails & 3 Ways To Stop It

woman biting nailCall it nervousness or a bad habit, but this habit of biting your nails can be harmful to your health.  For starters, biting your nails can raise your risk of catching a cold or other illnesses because many times, people are putting their unwashed hands in their mouths. It can also raise the risk of paronychia, or infection of the skin surrounding the nail, says Rochelle Torgerson, M.D., Ph.D., a dermatologist at the Mayo Clinic.