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Story summary
- The University of Helsinki study links childbearing patterns to lifespan and biological aging, using data from 14,836 twin women.
- Women with no children or an average of 6.8 children showed higher biological aging and mortality risks, reflecting population-level associations.
- Two to three children born between ages 24 and 38 were associated with the most favorable outcomes.
- The study is published in Nature Communications.
