They assert {that a} lengthy post-reproductive lifespan isn’t just as a result of current developments in well being and drugs. “The potential for lengthy life is a part of who we’re as people, an developed function of the life course,” Gurven stated.
The key to our success? Our grandparents.
“Concepts in regards to the potential worth of older adults have been floating round for awhile,” Gurven stated. “Our paper formalizes these concepts, and asks what the pressure of choice is perhaps when you take into consideration the contributions of older adults.”
For instance, one of many main concepts for human longevity known as the Grandmother Speculation — the concept, by their efforts, maternal grandmothers can improve their health by serving to enhance the survival of their grandchildren, thereby enabling their daughters to have extra kids. Such health results assist make sure that the grandmother’s DNA is handed down.
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