Christopher Kuzawa

Want to live a long, healthy life? How old is your grandfather?

Health & Medicine

New research out of the Philippines reveals that men who have children at an older age pass along longer telomeres — special protectors on human chromosomes — which are believed to lead to longer, healthier lives. And those longer telomeres survive across generations.

Life Expectancy: The Grandfather Effect

Health & Medicine
Tell us about your experience accessing The World

We want to hear your feedback so we can keep improving our website, theworld.org. Please fill out this quick survey and let us know your thoughts (your answers will be anonymous). Thanks for your time!

We respect your time, attention and privacy

This is a news website, not a click casino. We do NOT employ deceptive behaviors, display annoying ads or use third party cookies and trackers to monetize your visit or help advertisers track you across the internet.

Simply, we ask that you would consider a donation to support the journalism we produce every weekday. Thank you.