Extra-Auditory Health Effects of Industrial Noise: Survey of Foreign Literature.
DAYTON UNIV OHIO
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Based on the literature reviewed in this report there is very substantial evidence that long-term work under industrial sound of 85-95 dBA and above is associated with chronic changes in cardiovascular function, mostly adverse. The best documented change is an impaired regulation of blood pressure, most commonly manifest as an increased prevalance of hypertension in the middle and latter decades of life. There is also evidence for an increased risk of ischemic heart disease. Very conservatively, long-term work under high intensity sound seems associated with an increased risk of cardiovascular disease of at least 60 percent, quite possible with a doubling or more than doubling of risk. Functional neurological changes are common. Other extra-auditory changes are also reported but too few studies of them have been conducted to adequately assess their importance. Interpretation of these observations is subject to the usual constraints inherent in the epidemiological model. Author
- Stress Physiology
- Environmental Health and Safety