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Study suggests better air quality led to improved lung function in California children

January 2017

cover of Research Report 190Research Report 190 describes a study by Frank Gilliland and colleagues that was funded under HEI's Accountability research program. The investigators collected air quality data and lung function and respiratory symptom measures in three cohorts of children who participated in the Children’s Health Study in Southern California. During the 20-year study period, nearly 20 major policy actions were implemented to reduce pollution from transportation and other sources. Gilliland and colleagues evaluated whether the improved air quality was associated with improved lung function and respiratory symptoms in these children.

Related HEI Reports: 
The Effects of Policy-Driven Air Quality Improvements on Children’s Respiratory Health