Evolutionarily, grandmas are good for grandkids — up to a point
Women may live past their reproductive years because they help their grandchildren survive
![grandma and kid](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2019/02/020619_SG_grandmother-hypothesis_feat.jpg?fit=860%2C460&ssl=1)
GRANNY PERK Women living past menopause helps grandkids survive, but that benefit doesn’t always withstand the test of age and distance, two studies suggest.
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