New evidence gathered in a study funded by the National Institute of Environmental Health Sciences suggests that asthmatic children who use maintenance medication are particularly vulnerable to the effects of ground-level ozone, even at levels well below the federal standard set by the Environmental Protection Agency.
Their research results were published Oct. 8 in the Journal of the American Medical Association. The study was conducted at the Yale University School of Medicine. NIEHS is one of the federal National Institute of Health.
"Although the 1-hour average ozone levels in our study were well below the federal standard, statistical analysis revealed that for every 50 parts per billion increase in ozone, the likelihood of asthma symptoms the following day increased by more than 35 percent among asthmatic children on maintenance medication," said Brian Leaderer, Ph.D., the Susan Dwight Bliss Professor of Epidemiology at Yale University and principal investigator for the study.
John Peterson | EurekAlert!
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