
"Experiments show that the bacterial component of fine particulate matter has a highly potent inflammatory effect."
"Bacterial toxins punch above their weight in making a ubiquitous air pollutant harmful."
Experimental results show that the bacterial component of fine particulate matter triggers a highly potent inflammatory response. Bacterial toxins associated with airborne particles amplify the harmful effects of ubiquitous fine particulate pollution. Even at low particulate mass, bacterial constituents can disproportionately drive immune activation and airway inflammation. Considering biological constituents of particulate matter is essential for accurate health-risk assessments and effective air-quality regulation. Targeted monitoring and mitigation of bacterial toxins on airborne particles could reduce respiratory and systemic inflammatory disease burden linked to environmental and urban pollution.
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