Grandmothers are great — generally speaking. But evolutionarily speaking, it’s puzzling why women past their reproductive years live so long.
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Two new studies published February 7 in Current Biology suggest Grandma’s age and how close she lives to her grandchildren can affect those children’s survival. The studies are part of a broader effort to explain the existence of menopause, a rarity in the animal kingdom.
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Melissa Melby, medical anthropologist at UD, comments on the so-called “grandmother hypothesis” suggesting women’s longevity is due to contributions to their grandkids’ survival.
3/19/2019
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