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Self-hatred (also called self loathing) refers to an extreme dislike or hatred of oneself, or being angry at or even prejudiced against oneself. The term is also used to designate a dislike or hatred of a group, family, social class, or stereotype to which one belongs and/or has. For instance, "ethnic self-hatred" is the extreme dislike of one's ethnic group or cultural classification. It may be associated with aspects of autophobia.
The term "self-hatred" is used infrequently by psychologists and psychiatrists, who would usually describe people who hate themselves as "persons with low self-esteem". Self-hatred and shame are important factors in some or many mental disorders, especially disorders that involve a perceived defect of oneself (e.g. body dysmorphic disorder). Self-hatred is also a symptom of many personality disorders, including borderline personality disorder, as well as depression. It can also be linked to guilt for someone's own actions that they view as wrongful, e.g., self-guilt, survivor guilt.
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The term self-hatred can refer to either a strong dislike for oneself, one's own actions, or a strong dislike or hatred of one's own race, gender, nationality, sexual orientation, or any other group of which one may be a member. When used in the latter context it is generally defined as hatred of one's identity based on the demographic in question, as well as a desire to distance oneself from this identity.
Some sociology theorists such as Jerry Mander see television programming as being deliberately designed to induce self-hatred, negative body image, and depression, with the advertising then being used to suggest the cure. See also the arguments related to the Kill your television phenomenon. Some personal self-hatred can be linked to remorse for something a person did or did not do, or as a result of bullying.
Many races and ethnic groups have experienced self-hatred resulting from internalization of hatred from dominant cultures. Jews are one traditional example of this internalized self-hatred. Jewish people experienced hatred in Europe and America. Lessing, in his book, Jewish Self-Hatred (1930), considered this type of hatred pathological, “a manifestation of an over identification with the dominant culture and internalization of its prejudices.” There have been studies from sources stated in the scholarly research, “mental illness in Jews often derived from feelings of inferiority and self-hatred resulting from persecution and their subordinate position in society.” From the American Jew side, there have been similar responses to their reactions and self-hate. European Jews migrated to the U.S. beginning in 1654. During that time, U.S. law discriminated against Jewish people and banned them from professions, voting, and holding office. Not until 1868 did the original 13 colonies grant Jewish people some political equality. Because of this legalized inequality, many American Jews decided to hide their identity “by converting or intermarrying and raising their children in another faith.”
Within the Black Community, there have been those who have experienced self-hate. America has historically supported racial stereotypes portraying Black Americans as immoral, ugly, dull witted, and otherwise inferior. American media portrayals of Black men and women have spread outside of the USA, influencing people of all races, worldwide. This can result in severe depression. Not only that, Black men are portrayed as lazy while Black women are portrayed as sexually bold. Race category in America may have an impact on Blacks because of the status as well as history of their race, which results in self-hate for their own kind. Not only that, but skin bleaching is common among various races because of internalized racist beliefs that their skin is “too dark” for society. On July 5, 1999, The Ministry of Health held a press conference to publicize its counter strategy to skin bleaching resulting in taking it off on all markets. By banning skin bleaching it shows a pattern that people of color are judged thus lowering their self esteem and possibly creating self-hatred. A dermatologist has estimated that about 10% to 15% of the patients seen by dermatologists are bleaching their skin. Because of the external prejudice Black people have experienced as individuals and through history, some exhibit self-hatred. 
Adolescents and Digital Self-Harm
Self-Hate is predominant in the adolescent stages. Through recent years, social media has grown and most adolescents confront their feelings online or confront their feelings about others. Digital self-harm is the new form of self-harm in the modern day and age for adolescents. The Society for Adolescent Health and Medicine published a nationally representative survey of 5,593 middle and high school students (12 to 17 years old) obtained in 2016. The study was led by Justin W. Patchin, PhD and Sameer Hinduja, PhD. Their study, "Digital Self-Harm Among Adolescents" revealed that 6 percent of students say they have cyberbullied themselves. The study also found that males were significantly more likely to report digital self-harming themselves than females, with 7.1 percent for males compared with 5.3 percent for females. The study found correlations between digital self-harm and factors such as sexual orientation, prior experience with bullying, drug use, and depressive symptoms. 
Self-deprecation was recommended by philosophers of Stoicism as a response to insults. Instead of getting defensive, one should join in by insulting themselves even more. According to the Stoics, this will remove the sting from the insult. It will also disappoint the interlocutor because the insulted party failed to be upset, thereby reducing the chance that they will try to upset the Stoic like that again.
Self-deprecation is often perceived as being a characteristic of certain nations, such as in the United Kingdom, Ireland, Australia and New Zealand, where "blowing one's own trumpet" is frowned upon. This is played upon by English comedians such as David Mitchell, Lee Evans and Johnny Vegas. Actors such as Danny Dyer, Matt Lucas, and Stephen Fry use this humour in their acting roles.
It is seen as a major component of the comedy of North American comedians such as Maria Bamford, Jerry Lewis, Woody Allen, Mike Birbiglia, Brian Regan, Hannibal Buress, Bo Burnham, Louis C.K., Rodney Dangerfield, Larry David, Phyllis Diller, Tina Fey, Nathan Fielder, Jim Gaffigan, Zach Galifianakis, Kevin Hart, Bill Burr, Bob Hope, Leslie Jones, Don Knotts, David Letterman, Bernie Mac, Jim Norton, Conan O'Brien, Richard Pryor, Joan Rivers, Amy Schumer, David Spade, Jon Stewart, Ray Romano, Robin Williams, and Ben Stiller.
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