American Journal of Epidemiology Vol. 101, No. 6: 477-488
Copyright © 1975 by The Johns Hopkins University School of Hygiene and Public Health
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LUNG CANCER AND AIR POLLUTION IN SOUTHCENTRAL LOS ANGELES COUNTY1
An increased rate of lung cancer has been consistently observed from 19681972 among males in southcentral Los Angeles. This excess risk occurs across several social classes and occupational categories. No differential excess of oral cavity, pancreatic, laryngeal and bladder cancer was observed in the same area, lessening the possibility that regional variations in smoking habits accounted for the excess lung cancer. Air sampling has indicated an excess of certain polynuclear aromatic hydrocarbons (PAH) in southcentral Los Angeles. There was a correlation between the geographic distribution of lung cancer cases and the general location of industries which have emitted these PAH. A case-controlled study of smoking, occupational and residential history in the southcentral area is underway.
air pollution; cancer, lung; carcinogens; hydrocarbons; lung neoplasms
1 From the University of Southern California, School of Medicine, Departments of Pathology and Community Medicine, 2025 Zonal Avenue, Los Angeles, CA 90033
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