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Friday, 31 December, 1999, 04:49 GMT
Cigarettes 'cut life by 11 minutes'

 Another 11 minutes goes up in smoke

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 cost of smoking One cigarette costs 11 minutes of life A pack of 20 costs three hours 40 minutes A carton of 200 cigarettes costs 1.5 days
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.

They also worked out thast 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.

Crude calculation

The researchers admit that their calculation is crude as it relies on averages, assumes the health effects of smoking are evenly spread throughout a smoker's lifetime and presupposes that the number of ciagrettes smoked throughout a lifetime is constant.

"However, it shows the high cost of smoking in a way that everyone can understand," they write.

"The first day of the year is traditionally a time when many smokers try to stop. The fact that each cigarette they smoke reduces their life by 11 minutes may spur them on."

Clive Bates, director of Action on Smoking and Health (ASH) said on average a 20-a-day smoker is losing one day of life for every week of smoking.

He said: "As if that's not bad enough, smokers are likely to die a more painful death and spend longer being ill while they are alive."

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 See also: 19 Nov 99 |  Medical notes Smoking: The health effects 21 Dec 99 |  Health Tobacco companies' legal challenge dismissed 25 Nov 99 |  Health Grim toll of smoking 14 Oct 99 |  Health Tobacco giant admits health risks
 Internet links: Action on Smoking and Health (ASH) Tobacco Manufacturers Association Report of the Scientific Committee on Tobacco and Health British Medical Journal The BBC is not responsible for the content of external internet sites
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