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doi:10 } : Cite journal requires |journal= (help) "Mortality from Smoking in Developed Countries 19502000: indirect estimates from national vital statistics" (PDF)

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As per the Centres of Disease Control and Prevention, smokers are four times as likely to have poor oral health than non-smokers

Results showed no benefits of cutting down for decreasing risk of other cancers or stroke, and mixed findings for other health outcomes

3,000 per year compared to 100 ever