Nail biting can be based on a mental disorder
According to medical specialists nail-biting can become a dangerous addiction.
Psychiatric Association in the United States has conducted a series of studies on the habit wishing to change its classification from a harmless gesture to tulbulare obsessive-compulsive disorder.
Nail biting is usually regarded as an extremely serious when the patient who practice it causes its own pain, unable then from using their hands because wounds can lead to severe infections.
"Just as patients proceed to pull their hair or skin causes hurt, self-harm gestures, those who can get fruit nails are classified in the same category as people who suffer from mental instability, but that in a category very restricted patients, "said Carol Mathews doctor, a psychiatrist at the University of Calofornia writes mediafax .