Former smoking reduces life expectancy by a quantifiable amount
the verdict
SUPPORTED
the evidence backs this
confidence 75/100
Former smoking reduces life expectancy by a quantifiable amount, as evidenced by epidemiological studies showing that mortality risks remain elevated for past smokers depending on age of cessation and cumulative exposure.
Evidence for · 2
How much does eliminating one or two cardiovascular risk factors matter?: Evidence from the Global Cardiovascular Risk Consortium.
2026 · cited by 0
Paper [3] indicates that smoking is one of the most influential risk factors impacting health and longevity, and eliminating it increases years of life free from disease and premature mortality.
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More for · 1
Smoking history, eligibility for lung cancer screening and risk of death by lung cancer or other causes -- a longitudinal, time-variable analysis of the EPIC-Heidelberg cohort.
2026 · cited by 0
Paper [4] demonstrates that former smoking history correlates with quantifiable variations in other-cause mortality risk depending on quitting age and duration.