Living Well

Pudgy dads and grannies who care

Humans live longer than other primates because pudgy, older men and grandmothers played crucial evolutionary roles

In the past, the average lifespan was only about 30 to 40 years and most people did not survive beyond their reproductive years.

A percentage of both men and women did live to old age. How was this useful from an evolutionary point of view?

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A version of this article appeared in the print edition of The Straits Times on June 03, 2019, with the headline 'Pudgy dads and grannies who care'. Print Edition | Subscribe