Relighting of Cigarettes and Lung Cancer

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Abstract
The smoking habits of 1,000 male smokers aged 50 and over have been studied. Two subgroups[long dash]one with lung cancer (333 subjects) and one with benign chest illnesses (667 subjects) [long dash]of patients attending chest clinics in the Manchester district have been compared with special reference to the habit of relighting cigarette stumps. It was found that not only was the well-established association of lung cancer with heavy and prolonged cigarette smoking reflected in this group of smokers, but that also the habit of relighting cigarettes appeared to carry an incremental lung-cancer hazard. There was a suggestion, too, that this risk may be related to the number of daily lightings of cigarettes.