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Grandmothering, menopause, and the evolution of human life histories - PubMed

  • ️Thu Jan 01 1998

Grandmothering, menopause, and the evolution of human life histories

K Hawkes et al. Proc Natl Acad Sci U S A. 1998.

Abstract

Long postmenopausal lifespans distinguish humans from all other primates. This pattern may have evolved with mother-child food sharing, a practice that allowed aging females to enhance their daughters' fertility, thereby increasing selection against senescence. Combined with Charnov's dimensionless assembly rules for mammalian life histories, this hypothesis also accounts for our late maturity, small size at weaning, and high fertility. It has implications for past human habitat choice and social organization and for ideas about the importance of extended learning and paternal provisioning in human evolution.

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Figure 1
Figure 1

Modified from A. H. Schultz (1969) The Life of Primates (20), page 149.

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