Changing Objectives in Occupational Health

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Abstract
The objectives and emphasis of industrial hygiene have shifted over the years from the early efforts to prevent frank cases of specific diseases to the modern concepts of securing and maintaining the mental and physical health, well being, and productive efficiency of workers. This has increased the dimensions and subtleties of the man-environment relationship and the need for understanding the etiology of occupational disease. These require more refined methods of measurement on both man and environment. New definitions and criteria of health and impairment must be developed.

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