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Journal Article

Senescence vs. sustenance: evolutionary-demographic models of aging

Baudisch, A., Vaupel, J. W.

Demographic Research, 23:23, 655-668 (2010)

DOI:10.4054/DemRes.2010.23.23

Keywords: ageing

Abstract

Humans, and many other species, suffer senescence: mortality increases and fertility decreases with adult age. Some species, however, enjoy sustenance: mortality and fertility remain constant. Here we develop simple but general evolutionary-demographic models to explain the conditions that favor senescence vs. sustenance. The models illustrate how mathematical demography can deepen understanding of the evolution of aging.

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