Despite this, the study did not find any definite links between OCD and nail biting.
This is why Penzel considers nail biting "an obsessive-compulsive related disorder" or "body-focused repetitive behaviors" 6 patterns of behavior that also include "hair-pulling and skin-picking.
Nail biting was the most common BFRB, occurring in 33.
Those who endorsed nail biting reported significantly more affective problems (p= .
Other researches state that nail biting is due to extreme boredom and stress and those who persistently bite their nails could also suffer from poor self-image.
A study was conducted on functional analysis and treatment of nail biting by using methods of Applied Behaviour Analysis on a 24 year old female graduate student.
Combining the two preceding theories, the "arousal modulation theory" suggests that nail biting calms the individual during periods of autonomic arousal and provides stimulation in times of inactivity (Hansen, Tishelman, Hawkins, & Doepke, 1990).
Taking this into consideration, one could conclude that nail biting is not caused or maintained by one variable across all individuals.
Nail biting causes poor dental health, gum diseases.
Nail biting is a physical manifestation of tension and stress, to get rid of it, even though psychological helps are available but finally it depends on one's will power.
I think that nail biting
is both a nervous habit and an addiction and may be done for comfort.
This is, fortunately, a rare complication from nail biting