Orginal Publication Date
MCV/Q, Medical College of Virginia Quarterly
There is an apparent correlation between cigarette smoking and the incidence of pulmonary emphysema. An increased incidence of emphysema is associated with increased cigarette consumption. The disease is relatively infrequent in those who have smoked less than a pack of cigarettes daily for less than 20 years. The low incidence of emphysema among females today may be explained by their low cigarette consumption. If this is true, this incidence should increase within the next decade because of cigarette consumption among today's younger females. The incidence of emphysema is lower among Negro males than would be expected from their smoking habits alone.
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