Nail biting, scientifically known as onychophagia, is a stress-relieving problem that usually takes root from teenage, right through adulthood. Be it boredom, stress, anxiety, or excitement, nail-biting has been termed as a 'nervous habit'. Grinding one's teeth and constantly picking at one's noise must be stopped when adults notice their kids doing it.
Nail biting doesn't have to do with one's environment or biological factors, but is a way of grooming oneself, unconsciously. Body dysmorphic disorder, obsessive compulsive disorder (OCD), and compulsive self-mutilation (like pulling hair out) are some conditions that have nail-biting in common. This habit may be hereditary, but there are solutions to this.
If no natural means work, then your only option is to seek medical help or try cognitive therapy.
It is a session that confronts one's environmental attributes while finding a way to eliminate the problems that led up to the habit. Once the changes are made and the patient's mood is altered, he is consciously made to give up the habit. The treatment aims to extract information of the patient's background and life, in order to help him quit the habit.
Habit Reversal Training
It involves relaxing a person and making them feel at peace, with certain muscle exercises included to help with the process of quitting.
People are kept under supervision and a log is maintained to track their everyday habits. When the individual is addressed with how he spends his time, a kind of understanding is developed by the one in charge, thus, reducing the chances of the habit from taking place.
Those who suffer from prolonged nail-biting are given alternative methods to keep their hands busy. They're encouraged to learn how to sew, knit, or play with toys as a way of distracting themselves.