A grandmother's proximity to her grandchildren, along with her age, may have once affected in the children's survival, two studies published in Current Biology suggest. One study found that children between the ages of 2 and 5 had a 30% better chance of survival if their maternal grandmother, aged between 50 and 75, lived nearby, while the other study focused on proximity alone, finding that daughters had fewer babies the farther away they were from their own mothers.
Keeping grandmothers nearby may help grandchildren
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