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The causal relationship between environmental tobacco smoke (ETS) and lung cancer is established; however, the magnitude of the risk is not known. Therefore, it is conceivable that ETS is responsible for a number of lung cancer deaths because of the large number of smokers and the widespread presence of ETS. We estimated the number of lung cancer deaths occurring in 1990 in the European Union (EU), attributable to ETS generated by a spouse.

Non-smoker lung cancer deaths attributable to exposure to spouse's environmental tobacco smoke