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Dermatophagia (from Ancient Greek δέρμα — lit. skin and φαγεία lit. eating) or dermatodaxia (from δήξις, lit. biting) is a compulsion disorder of gnawing or biting one's own skin, most commonly at the fingers.
Biting nails can lead to broken skin on the cuticle. When cuticles are improperly removed, they are susceptible to microbial and viral infections such as paronychia. Saliva may then redden and infect the skin. In rare cases, fingernails may become severely deformed after years of nail biting due to the destruction of the nail bed.
A hickey, hickie or sometimes referred to as a love bite in British English, is a bruise or bruise-like mark caused by kissing or sucking skin, usually on the neck, arm, or earlobe. While biting may be part of giving a hickey, sucking is sufficient to burst small superficial blood vessels under the skin.
How do you stop biting your nails? An approach called habit replacement could help nail biters quit. It could also help with skin picking and trichotillomania.
Autophagia refers to the practice of biting/consuming one's body. It is a sub category of self-injurious behavior (SIB). [1] Commonly, it manifests in humans as nail biting and hair pulling.
Onychophagia, or nail biting, is a pretty common habit, affecting an estimated 20 to 30 percent of the population.
When you bite your nails, you're transferring potentially dangerous bacteria into your vital organs, putting yourself at risk for abdominal pain and/or infection. The problem doesn't stop at...
Some people will engage in self-cannibalism as an extreme form of body modification, for example by ingesting parts of their own skin. In very rare cases, people have eaten a part of their own body (such as a foot) that had to be amputated for medical reasons; such acts may be motivated by curiosity or a desire to attract attention.
You might not want to know the mechanics behind a chigger bite, but it helps to understand why you’re itching so bad and why it lasts so long. “Chiggers pierce the skin with a small mouthpart...
The most distinctive characteristic of the rare genetic condition Lesch–Nyhan syndrome is uncontrollable self-harm and self-mutilation, and may include biting (particularly of the skin, nails, and lips) and head-banging.