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Nail biting, also known as onychophagy or onychophagia, is an oral compulsive habit of biting one's fingernails. It is sometimes described as a parafunctional activity, the common use of the mouth for an activity other than speaking, eating, or drinking. Nail biting is very common, especially amongst children. 25–35 percent of children bite ...
Dermatophagia. Dermatophagia (from Ancient Greek δέρμα — lit. skin and φαγεία lit. eating) or dermatodaxia (from δήξις, lit. biting) [3] is a compulsion disorder of gnawing or biting one's own skin, most commonly at the fingers. This action can either be conscious or unconscious [4] and it is considered to be a type of pica.
Specialty. Dermatology. Psychiatry. Excoriation disorder, more commonly known as dermatillomania, is a mental disorder on the obsessive–compulsive spectrum that is characterized by the repeated urge or impulse to pick at one's own skin, to the extent that either psychological or physical damage is caused. [4] [5]
The self-injury begins with biting of the lips and tongue; as the disease progresses, affected individuals frequently develop finger biting and headbanging. The self-injury can increase during times of stress. Self-harm is a distinguishing characteristic of the disease and is apparent in 85% of affected males.
Biting your nails is no picnic for your teeth, either. "Constant biting can lead to poor dental occlusion," says Richard Scher, M.D., an expert in nail disorders, "so the biter's teeth shift out ...
Onychophagia, or nail biting, is a pretty common habit, affecting an estimated 20 to 30 percent of the population. Onychophagia, or nail biting, is a pretty common habit, affecting an estimated 20 ...
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Specialty. Psychiatry. Stereotypic movement disorder ( SMD) is a motor disorder with onset in childhood involving restrictive and/or repetitive, nonfunctional motor behavior (e.g., hand waving or head banging), that markedly interferes with normal activities or results in bodily injury. [1] To be classified as SMD, the behavior in question must ...