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INFLUENCE OF EXERCISE AND HEAT STRESS ON PULMONARY FUNCTION DURING OZONE EXPOSURE
Citation:
Folinsbee, L., S. Horvath, P. Raven, J. Bedi, AND A. Morton. INFLUENCE OF EXERCISE AND HEAT STRESS ON PULMONARY FUNCTION DURING OZONE EXPOSURE. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/J-77/186 (NTIS PB83153734), 1976.
Description:
The authors studied the effects of 2-h exposure to ozone in 14 nonsmoking males under four environmental conditions. Thirty minutes of exercise at 40% Vo2max was performed from 60 to 90 min for group A and 30 to 60 min for group B. Pulmonary Function changes, determined throughout exposure, were greatest immediately after exercise in both groups. Few changes occurred before the exercise period. The authors conclude that the effects of ozone are most severe immediately after exercise and that heat stress may modify the overall effect of ozone on pulmonary function.