Do non-smokers get lung cancer?
Lung cancer is extremely rare in non-smokers. A small number of lung cancers may be due to exposure to certain chemicals at work, exposure to radon gas and exposure to second-hand tobacco smoke. It was estimated in 1985 that about 330 Canadians die from lung cancer as a result of long-term exposure to the tobacco smoke of other people at home, at work and in other locations. 25. Does air pollution cause lung cancer? Perhaps, to a small degree. In industrial areas or cities heavily polluted with smog, lung cancer rates are slightly higher than in rural areas. But in both places, the lung cancer rates are always very much higher among smokers than non-smokers because pollutants in the air are more diluted than those in cigarette smoke. In certain industries where there are high concentrations of radio-active dust or other carcinogens, the lung cancer rate is much greater than in the general population. But even among these exposed groups, the lung cancer rate of smokers in the same occup
