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Historically, suicide is a Western neologism. Unknown to Greco-Roman civilization, suicidium might as well have meant "swine-slaying" to a Latin speaker. 1 The warrior culture of Germanic successor states glorified heroic self-sacrifice, celebrated in medieval literature as chansons de geste. If St. Augustine condemned Donatism for actively promoting martyrdom during the persecutions, then in part for fear of its potential to rob the early Christian movement of much-needed membership. Medieval Christians unanimously reviled the desperate act of self-killing until Renaissance humanists and artists recalled the political defiance of Cato, Seneca and, most especially, Lucretia, the original struggle of republicanism with tyranny manifest in the dagger through her heart. With their novel emphasis on the modification of human behavior, religious reformers turned their attention to the human soul and the inner temptation to self-murder.
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Brancaccio et al. (2013) studied this question.
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