https://longevityledger.orgVerified numbers from longevity research, in plain words.https://longevityledger.org/smoker-life-expectancyhttps://longevityledger.org/smoker-life-expectancyWed, 04 Nov 2026 00:00:00 GMTIn 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.