Different people use different ways to manage stress: some sleep, some eat, some shop, and some bite nails. Nail-biting (onychophagia) is the most typical nervous habit. This behavior can be performed because of nervousness, hunger or just boredom. Some can even bite nails while sleeping. Apart from the fact that after it the deformed nails look awful and it interferes with normal nail growth, nail biting can be dangerous. As it is hard to remove bacteria under the surface Full story