The left shows my age.  And the right button shows a life expectancy clculator that life insurance companies use.  Click it and see how your lifestyle changes your lifespan.  Then focus on your “health-span” because no one really wants to live an unhealthy long life.  The book “Outlive: The Science and Art of Longevity” is a is a great book dealing with how to have a longer healthspan. More to add….