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Articles related to focusing on healthy aging, prevention, mobility, cognition, nutrition, independence, and caregiving support.

Oct 21, 2025

5 min

Why Does Life Expectancy Go Up with Age? The Survivor Effect Explained

According to the CDC, life expectancy at birth was only about 47 years in 1900, compared to over 76 years today. Yet, for those who reach older ages, the outlook improves dramatically. This raises the natural question: **Why does life expectancy go up with age?**

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