Every cigarette you smoke reduces your expected life span by 11 minutes.
Scientists have calculated that each cigarette cuts on average 11 minutes off the life of a male smoker.
The calculation, published in the British Medical Journal, is based on the difference in life expectancy between male smokers and non-smokers and an estimate of the total number of cigarettes a regular male smoker might consume in a lifetime.
The researchers, from the Univeristy of Bristol, took their figures on life expectancy from a major study of the impact of smoking carried out by leading cancer expert Professor Sir Richard Doll.
They calculated that smokers were likely to die 6.5 years earlier than non-smokers. The calculation, published in the British Medical Journal, is based on the difference in life expectancy between male smokers and non-smokers and an estimate of the total number of cigarettes a regular male smoker might consume in a lifetime.
The researchers, from the Univeristy of Bristol, took their figures on life expectancy from a major study of the impact of smoking carried out by leading cancer expert Professor Sir Richard Doll.
They also found out that if a man smokes the average number of cigarettes a year (5,772) from the average starting age of 17 until his death at 71 he will consume a total of 311,688 cigarettes.
Based on these figures, each cigarette cost 11 minutes of life.
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