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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 ...
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.
For broader coverage of this topic, see Nudity. Nakedness and clothing use are characteristics of humans related by evolutionary and social prehistory. The major loss of body hair distinguishes humans from other primates. Current evidence indicates that anatomically modern humans were naked in prehistory for at least 90,000 years before the invention of clothing. Today, isolated Indigenous ...
Published estimates for the 1st century ("AD 1") suggest uncertainty of the order of 50% (estimates range between 150 and 330 million). Some estimates extend their timeline into deep prehistory, to " 10,000 BC", i.e., the early Holocene, when world population estimates range roughly between 1 and 10 million (with an uncertainty of up to an ...
Light skin is a human skin color that has a low level of eumelanin pigmentation as an adaptation to environments of low UV radiation. [ 1 ][ 2 ] Due to migrations of people in recent centuries, light-skinned populations today are found all over the world. [ 2 ][ 3 ] Light skin is most commonly found amongst the native populations of Europe ...
In 2010, according to the Institute for Health Metrics and Evaluation, 52.8 million people died. [2] In 2016, the WHO recorded 56.7 million deaths [3] with the leading cause of death as cardiovascular disease causing more than 17 million deaths (about 31% of the total) as shown in the chart to the side. In 2021, there were approx. 68 million ...
Belief in the apocalypse is most prevalent in people with lower rates of education, lower household incomes, and those under the age of 35. [9] [10] In the UK in 2015, 23% of the general public believed the apocalypse was likely to occur in their lifetime, compared to 10% of experts from the Global Challenges Foundation.
t. e. Sex differences in human physiology are distinctions of physiological characteristics associated with either male or female humans. These differences are caused by the effects of the different sex chromosome complement in males and females, and differential exposure to gonadal sex hormones during development.