The Longevity Ledger: verified longevity statistics
Life expectancy at 50: current smokers trail never smokers by 7.70 years
In a study of 175,318 adults aged 50 and older in 28 countries, never having smoked was linked to an estimated total life expectancy at age 50 that was 7.70 years longer than for people who still smoked.
Fudan University · PLoS Medicine, 2026
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