The nature of the effects of silica dust expressed in the term "silicosis," with the resultant extraordinary predisposition to pulmonary tuberculosis, is well known. Some of the more cogent etiologic, metabolic and legal aspects of this condition have been discussed in these columns.1 These important developments in the study of lung diseases due to the inhalation of dust have now been extended in this country2 to the pneumonoconiosis caused by asbestos dust and termed "asbestosis." This preliminary study of the asbestos industry presents data obtained from an examination of dust conditions in five asbestos fabricating plants along the Atlantic sea-board. The investigation included physical examinations of asbestos workers, together with x-ray films, and a consideration of the dust exhaust systems designed to eliminate asbestos dust. It appears evident that prolonged exposure to this dust causes a pulmonary fibrosis demonstrable on x-ray films. This condition appears to be
Current Comment. JAMA. 1935;104(6):478–479. doi:10.1001/jama.1935.02760060046014
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