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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.
Dermatopathia pigmentosa reticularis (DPR) is a rare, autosomal dominant [2] congenital disorder that is a form of ectodermal dysplasia. Dermatopathia pigmentosa reticularis is composed of the triad of generalized reticulate hyperpigmentation, noncicatricial alopecia, and onychodystrophy.
Other body-focused repetitive behaviors include onychotillomania (nail picking), excoriation disorder (skin picking), dermatophagia (skin biting), and trichotillomania (the urge to pull out hair), and all of them tend to coexist with nail biting.
Other forms of pica include dermatophagia, and compulsion of eating one's own hair, which can form a hairball in the stomach. Left untreated, this can cause death due to excessive hair buildup. Self-cannibalism can be a form of self-harm and a symptom of a mental disorder.
Body-focused repetitive behavior. Dermatillomania (picking of the skin) of the knuckles (via mouth), illustrating disfiguration of the distal and proximal joints of the middle and little fingers.
About 1.5 million people are infected per year, and about 290,000 people die yearly from hepatitis C–related diseases, mainly from liver cancer and cirrhosis. [4] Hepatitis C infection rates increased substantially in the 20th century due to a combination of intravenous drug abuse and the reuse of poorly sterilized medical equipment. [24]
Estimates of historical world population. Comparison of humans living today with all previous generations. This article lists current estimates of the world population in history. In summary, estimates for the progression of world population since the Late Middle Ages are in the following ranges: Year. 1400.
A small number of people do not feel sexual attraction and identify as asexual, which can be considered a sexual orientation in itself or a lack thereof. By country Worldwide 2021. In 2021, Ipsos interviewed people in 27 countries spanning all continents on their sexual orientation and gender identity. For some countries the samples were ...
This article contains the monthly cumulative number of deaths from the pandemic of coronavirus disease 2019 ( COVID-19) reported by each country, territory, and subnational area to the World Health Organization (WHO) and published in WHO reports, tables, and spreadsheets.
World population. High, medium, and low projections of the future human world population [1] In world demographics, the world population is the total number of humans currently living. It was estimated by the United Nations to have exceeded eight billion in mid-November 2022.