Eleanor HALL: The number of potentially good news for young girls, who spend a lot of time with our grandmothers. The study of the University of Cambridge in the UK found that some populations, the survival rate of a little girl living in the same house that his paternal grandmother is higher than if he only lived with her immediate family.
But the grandmas did not have such a positive effect on their grandsons.The lead researcher Molly Fox told reporter Barbara Miller that the findings add to the understanding of what's known as the grandmother effect.MOLLY FOX: What the grandmother hypothesis basically says is that if a grandmother helped provision her grandchildren while they are toddlers and they're weaned but they are still sort of helpless, she can increase her genetic contribution to future generations.BARBARA MILLER: Why only grandmothers? Why not grandfathers
Molly Fox: Ah, because people can play until the day I die. They can have a baby on his deathbed and grandparents, usually, has 50 years, as you know, that how long the eggs survive. So if you are going to maintain life, then it is, without any of their own babies.
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