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aging

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Have human lifespans been constant for the last 2000 years?

Maximum lifespan is hard to assess in past populations. The data suggest that lifespan has been increasing over time.

Three older people walking arm in arm with posters of soccer players in the background
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High adult mortality in some contemporary hunter-gatherers

Kim Hill and colleagues (2007) report in the current Journal of Human Evolution on the mortality profile of recent Hiwi hunter-gatherers. Here is their abstract: > Extant apes experience early sexual maturity and short life spans relative to modern humans. Both of these traits and others are linked by life-history theory