From: Barcelona Institute for Global Health (ISGlobal)
Published October 5, 2017 03:30 PM

Air Pollution Exposure on Home-to-School Walking Routes Reduces the Growth of Working Memory in Children

The study was carried out in the framework of the BREATHE project. Previous research in the same project found that exposure to traffic-related pollutants in schools was associated with slower cognitive development. The aim of the team undertaking the new study was to assess the impact of exposure to air pollution during the walking commute to school. The findings of an earlier study had shown that 20% of a child’s daily dose of black carbon— a pollutant directly related to traffic—is inhaled during urban commutes.

“The results of earlier toxicological and experimental studies have shown that these short exposures to very high concentrations of pollutants can have a disproportionately high impact on health” explains Mar Álvarez-Pedrerol, ISGlobal researcher and first author of the study. “The detrimental effects may be particularly marked in children because of their smaller lung capacity and higher respiratory rate,” she adds.

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