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AN ARTICLE with this catchy title in The Journal of the American Medical Association (196:985 [June 13] 1966) by K. R. Boucot et al concerns a study of 6,137 men 45 years of age or older who volunteered to report twice each year for x-ray examination of the chest and to answer questions concerning smoking habits and respiratory symptoms. The prevalence of cough increased with age and with increasing degrees of smoking. During the nine- to ten-year follow-up of these patients 150 histologically confirmed bronchogenic carcinomas occurred; 66 were present on the initial examination and 84 developed subsequently. The study was concerned with the latter group of new lung cancers that developed while the men were under observation.
No lung cancer developed among the 805 nonsmokers. Of the 520 occasional cigarette smokers (less than one-half pack per day), 1% developed lung cancer. Among the 964 heavy cigarette smokers, 3%
SHAMBAUGH GE. Cigarettes, Cough, and Cancer of the Lung. Arch Otolaryngol. 1966;84(2):121. doi:10.1001/archotol.1966.00760030123002