Rebecca Araujo

Urban Health Today

Historic redlining is associated with current disparities in environmental health outcomes in children, according to a study in The Journal of Allergy and Clinical Immunology.The researchers investigated whether there were associations between rates of moderate-to-severe asthma in children aged 6-17 years and home and school pollutant exposure in 9 US cities. Pollutants were considered to be fine particulate matter (PM2.5) and NO2. Respiratory outcomes (lung function) were collected via the Composite Asthma Severity Index.Of the total population, 37.5% of children resided or attended school in historically redlined neighborhoods. Homes and schools in redlined neighborhoods had greater median exposure to NO2 (15.4 parts per billion) compared with nonredlined neighborhoods (12.1 parts per billion). Historically redlined neighborhoods also tended to be a closer distance to the highway (median, 0.86 vs 1.23 km; both P&lt;.01).PM2.5 exposure was not significantly associated with asthma severity or lung function in the overall population. In an analysis of just children in redlined neighborhoods, however, exposure to higher levels of PM2.5 was associated with more severe asthma (P&lt;.005). There was no association found between pollutant exposure and lung function/asthma severity in children who did not reside or attend school in redlined neighborhoods.&ldquo;Our findings highlight the significance of historical redlining and current environmental health disparities among school-aged children with asthma, specifically the environmental injustice of PM2.5&nbsp;exposure and its associations with respiratory health,&rdquo; the authors concluded.Source: <a href="https://www.jacionline.org/article/S0091-6749(24)00679-1/abstract" target="_blank" rel="noopener">The Journal of Allergy and Clinical Immunology</a>

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Historic Redlining Linked to Disparities in Pediatric Asthma Prevalence

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Children residing or attending school in historically redlined neighborhoods had more severe asthma.

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