An outline of a discussion of suicide in Brazil in which the author made reference to death by fear among Indians & Banzo practices in Negro slaves & conducted a bibliographical review (1878-1962 & 1966-72). Conclusions about suicidal ideas & attempts from a psychoanalytical, statistical study on 220 patients (112 male, 108 female), were presented. Results obtained by biochemical & hormonal dosage (47 patients) with respect to various categories of depression & suicidal tendency were presented.