How to Stop Biting your Nails Nail biting is generally an addiction starts from the childhood and if does not stop, it continues to the adulthood. Nail biting leads to the damaging of tissues around the skin that tends to make nail growth and the nails feel sore. Due to nail biting, the infection, viruses and harmful bacteria are passed from your nails to your mouth and then intestine. A child is so delicate so he will be attacked immediately. Many side effects have been noticed due to nail biting and one of the major things is that nail biting makes your nails looking ugly. Here are some tips recommended from the dermatologists in order to stop nail biting as quickly as possible: 1. Keep your nails trimmed short: Less growth of nail will help in stopping the nail biting. 2. Apply bitter-tasting nail polish to your nails: This nail polish will not reach you any harm but being awful in taste, it dismays people from nail biting habit. 3. Get regular manicures: T