cigarette life expectancy calculator Read "Explaining Divergent Levels of Longevity in High-Income Countries" at NAP.edu Don't let smoking sneak up

Don't let smoking sneak up on you! A simple calculation can tell you your pack year history., Heres how it works:, number of packs per day X number of years smoking, For example, if you smoke one Don't let smoking sneak up on you! A simple calculation can tell you your pack year history. Here's how it works: number of packs per day X number of years smoking For Mortality in relation to smoking: 50 years' observations on male British doctors PMC Smoking Kills, Smoking Costs MD Spiro Smoking a cigarette reduces life expectancy by 20 minutes on average

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