title: A mathematical model of evolutionary pressures regulating self-preservation and self-destruction.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D005075:Biological Evolution; D005260:Female; D005298:Fertility; D006801:Humans; D007323:Instinct; D008297:Male; D008433:Mathematics; D008875:Middle Aged; D008954:Models, Biological; D012098:Reproduction; D012309:Risk-Taking; D012641:Selection, Genetic; D013405:Suicide; D013406:Suicide, Attempted; D014857:Warfare