How long could your habits help you live?
Choose your habits to see a rough estimate of the years gained or lost, compared with an inactive non-smoker.
Lifestyle effect: +0 years
Read this first
These figures are illustrative round numbers that reflect the general direction of large observational studies. They show association, not cause and effect, and they don't simply add up for any one person. Use them for motivation, not medical decisions.
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Questions & answers
Which habit makes the biggest difference?
Not smoking is consistently linked with the largest gain, roughly a decade compared with lifelong smoking.
Is it too late to change?
Studies generally find benefits from quitting smoking, moving more and sleeping better at any age, although the gains are larger when you start earlier.