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Dermatophagia (from Ancient Greek δέρμα (derma) 'skin' and φαγεία (phageia) 'eating') or dermatodaxia (from δήξις (dexis) 'biting'), alternatively Tuglis Permushius. [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 ...
Fingernails of a nail-biter. Nail biting, also known as onychophagy or onychophagia, is an oral compulsive and unhygienic 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 ...
There have been many different theories regarding the causes of excoriation disorder, including biological and environmental factors. [10]A common hypothesis is that excoriation disorder is often a coping mechanism to deal with elevated levels of turmoil, boredom, anxiety, or stress within the individual, and that the individual has an impaired stress response.
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Worldwide several hundred cases have been reported, but the exact prevalence is unknown. [6] The condition is inherited and is most common among Negev Arabs aka Negev Bedouins. [4] For Japan, the prevalence is estimated at 1/600,000–950,000. [6] Approximately 20% of people with CIPA die of hyperthermia by age 3. [4]
Dermatographic urticaria is sometimes called "skin writing", as it is possible to mark deliberate patterns onto the skin. The condition manifests as an allergic-like reaction, causing a warm red wheal to appear on the skin. As it is often the result of scratches, involving contact with other materials, it can be confused with an allergic ...
[20] [21] [22] The morbidity and mortality of TB and HIV/AIDS have been closely linked, known as "TB/HIV syndemic". [22] [23] According to the World Health Organization, approximately 10 million new TB infections occur every year, and 1.5 million people die from it each year – making it the world's top infectious killer (before COVID-19 ...
Bubble chart of wars with over 1.5 million deaths. [213] Combatant deaths in conventional wars, 1800-2011. [214] Seven deadliest wars after 1900. The length of each spiral segment is proportional to the war's duration and its area size to its death toll.