Improved air quality in the Los Angeles region is linked to roughly 20 percent fewer new asthma cases in children, according to a USC study that tracked Southern California children over a 20-year period.
The findings appear in the May 21 issue of the Journal of the American Medical Association.
The research expands on the landmark USC Children’s Health Study, which found that children’s lungs had grown stronger in the previous two decades and rates of bronchitic symptoms decreased as pollution declined throughout the region.
“While the findings show a clear benefit of lower air pollution levels, there must be continued efforts to reduce pollution in our region,” said first author Erika Garcia, a postdoctoral scholar in the Department of Preventive Medicine at the Keck School of Medicine of USC. “We’re not in a place where we can stop and say, ‘Hey, we’ve arrived.’”
Read more at University of Southern California
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