title: The human life span: are we reaching the outer limits?
authors.affiliation: Department of Medicine, University of Chicago.
authors.forename: S J
authors.initials: SJ
authors.lastname: Olshansky
mesh_terms: D000368:Aged; D000375:Aging; D006801:Humans; D008017:Life Expectancy; D008954:Models, Biological; D009026:Mortality; D012307:Risk Factors