Air pollutants from traffic are associated with increased asthma severity levels in pregnant asthmatic women, according to a new study. "Air pollution is a known trigger for asthma symptoms," said lead author Janneane Gent, PhD, Research Scientist in Epidemiology (Environmental Health) at the Yale School of Public Health. "In our study, exposures were assessed using a sophisticated air pollution modeling system (Community Multiscale Air Quality, CMAQ) that permits community-level estimates (i.e...

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