Good Genes: Late Motherhood Boosts Family Lifespan
Friday, May 8, 2009 - 20:28
in Health & Medicine
Women who have babies naturally in their 40s or 50s tend to live longer than other women. Now, a new study shows their brothers also live longer, but the brothers' wives do not, suggesting the same genes prolong lifespan and female fertility, and may be more important than social and environmental factors.