Occupational airways diseases from chronic low-level exposures to irritants |
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Authors: | Balmes John R |
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Affiliation: | Division of Occupational and Environmental Medicine, Department of Medicine, University of California, San Francisco, Box 0843, San Francisco, CA 94143, USA. |
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Abstract: | Short-term, high-level exposures to dusts, gases, mists, fumes, and smoke that are irritating to the respiratory tract are capable of inducing asthma, the so-called reactive airways dysfunction syndrome. Such exposures, however, do not occur frequently; chronic or recurrent exposures to lower levels of irritants are much more common. This article reviews the evidence that supports the concept that low-level exposures to respiratory tract irritants can contribute to the development of chronic obstructive pulmonary disease and asthma. |
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