Suicide prevention.
D000293:Adolescent; D000328:Adult; D000368:Aged; D003866:Depressive Disorder / Q000175:diagnosis / Q000523:psychology; D005260:Female; D015277:Hotlines; D006801:Humans; D008297:Male; D013405:Suicide / Q000706:statistics & numerical data; D014481:United States / Q000453:epidemiology; D000092864:Suicide Prevention