Smoking is hazard to your health 20-Year Lag Time Between Smoking and Lung Cancer Cigarettes unc Smoked Cancer Per Person Deaths Per Year (Per 100.000 4000 People) Cigarette Consumption men Lun 3000 Cancer ITISH MEDICAL JOURN (men) 2000 1000 1900 1920 1940 1960 1980 Year 10Smoking is hazard to your health 10