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A suicide note or death note is a message left behind before a person has committed suicide, or who intends to commit suicide. It is estimated that 25–30% of suicides are accompanied by a note. According to Gelder, Mayou and Geddes (2005) one in six leaves a suicide note. The content can be a plea for absolution or blaming family and friends for life's failings.〔(【引用サイトリンク】title=AIM Report: Critiquing Berman's Report on Foster )〕 However, incidence rates may depend on ethnicity, method of suicide, and cultural differences, and may reach rates as high as 50% in certain demographics.〔(【引用サイトリンク】 title=The significance of suicide notes in the elderly )〕〔(【引用サイトリンク】 title=Incidence of note-leaving remains constant despite increasing suicide rates )〕 A suicide message can be a written note, an audio message, or a video. ==Reasons== Some fields of study, such as sociology, psychiatry and graphology, have investigated the reasons why people who commit suicide leave a note. According to Lenora Olsen, the most common reasons that people contemplating suicide choose to write a suicide note include one or more of the following: * To ease the pain of those known to the victim by attempting to dissipate guilt. * To increase the pain of survivors by attempting to create guilt. * To set out the reason(s) for suicide. * To express thoughts and feelings that the person felt unable to express in life. * To give instructions for disposal of the remains. * Occasionally, to confess acts of murder or some other offence. Sometimes there is also a message in the case of murder–suicide, explaining the reason(s) for the murder(s), see for example, Marc Lépine's suicide statement and videotaped statements of the 7 July 2005 London bombers. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「suicide note」の詳細全文を読む スポンサード リンク
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