9 years ago
Tobacco 'kills two in three smokers'
The death risk from smoking may be much higher than previously thought - tobacco kills up to two in every three smokers not one in every two, data from a large study suggests. The study tracked more than 200,000 Australian smokers and non-smokers above the age of 45 over six years. Mortality risk went up with cigarette use, BMC Medicine reports. Smoking 10 cigarettes a day doubled the risk, while 20-a-day smokers were four to five times more likely to die.
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http://www.bbc.com
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