Nail biting can be an unfortunate habit that leaves your itty bitty nails defenseless. But here are a few tricks to help avoid that nervous habit. First eat foods rich in calcium and magnesium to help restore and repair your nails. Distract your mouth by chewing on gum or vegetables during those week moments. And if all else fails try putting a bitter tasting product on your nails like vinegar so if you go to bite your nails the taste should detour you. Have you any helpful tips for nail biters? Let’s hear!