Is nail-biting habit is a symptom of psychological disorder?

Believe it or not, but when it comes to the most common stress-relieving habits, nail-biting is probably the most popular one around the world. Kids also inherit this habit from their parents. Some of the other favorite habits are picking at skin, tooth-grinding, hair-twisting, nose-picking, and thumb sucking. An individual can start nail-biting due to … Continue reading Is nail-biting habit is a symptom of psychological disorder?