Self-harm

eating disorder that is characterized by a cycle of bulimia (binge eating) followed by inappropriate acts such as purging to avert weight gain

Self-harm is intentional behavior that causes harm to oneself. This is most commonly regarded as direct injury of one's own tissues, usually without suicidal intention. Other terms such as cutting, self-abuse, self-injury, and self-mutilation have been used for any self-harming behavior regardless of suicidal intent. Common forms of self-harm include damaging the skin with a sharp object or scratching with the fingernails, hitting, or burning. The exact bounds of self-harm are imprecise, but generally exclude tissue damage that occurs as an unintended side-effect of eating disorders or substan

thumb|300px|A confraternity of penitents in Italy mortifying the flesh with disciplines in a seven-hour procession; [[capirote are worn by penitents so that attention is not drawn towards themselves, but to God, as they repent.]] Flagellants are practitioners of a form of mortification of the flesh by whipping their skin with various instruments of penance. Many Christian confraternities of penitents have flagellants, who beat themselves, both in the privacy of their dwellings and in public processions, to repent of sins and share in the Passion of Jesus.

rare genetic syndrome

thumb|10th of Muharram, 19th-century painting by Fausto Zonaro Tatbir () is a form of self-flagellation rituals practiced by some Shia Muslims in commemoration of the killing of Imam Husayn ibn Ali and his partisans in the Battle of Karbala by forces of the second Umayyad caliph Yazid I ().

thumb|A scanning electron microscope image of human immunodeficiency virus (green) in and around a cultured [[lymphocyte|alt=Small green orbs of HIV around a pink and blue cell]]

Promotion of anorexia is the promotion of behaviors related to the eating disorder anorexia nervosa. It is often referred to simply as pro-ana or ana. The lesser-used term pro-mia refers likewise to bulimia nervosa and is sometimes used interchangeably with pro-ana. Pro-ana groups differ widely in their stances. Most claim that they exist mainly as a non-judgmental environment for anorexics; a place to turn to, to discuss their illness, and to support those who choose to enter recovery. Others deny anorexia nervosa is a mental illness and claim instead that it is a lifestyle choice that should

American sleeplessness world record holder

Autocannibalism, also known as self-cannibalism and autosarcophagy, is the practice of eating parts of one's own body. Generally, only the consumption of flesh (including organ meat such as heart or liver) by an individual of the same species is considered cannibalism. In line with this usage, self-cannibalism means the consumption of flesh from one's own body. While some texts use this strict definition, others use the term autocannibalism in a wider sense that includes the consumption of hair or nails from one's own body.

thumb|A salmon-crested cockatoo, showing signs of feather-plucking on its chest

social event held in an attempt to inoculate children through exposure to infectious disease

mental and behaviour disorders including skin picking and hair pulling

1746 essay by Denis Diderot

Self-experimentation refers to single-subject research in which the experimenter conducts the experiment on themself.

medical condition

act of harming oneself where there are no underlying psychological problems

Awareness Day

Internet meme

practice of intentionally cutting oneself to provoke bleeding in professional wrestling

music played at loud volume