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12 february 2019 13:00:17

 
Limits to Fitness Benefits of Prolonged Post-reproductive Lifespan in Women (Current Biology)
 




Chapman et al. show that beneficial effects of grandmothers on grandchild survival wane off as their age increases and health declines, particularly when grandchildren and grandmothers live together. These age limitations of gaining fitness from helping relatives suggest grandmothering can only select for post-reproductive lifespan up to a point.


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36 viewsCategory: Biology
 
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