They used filters air VS diesel exhaust. Not diesel exhaust and normal outdoor air. Perfect example of science in bed with grant money to push a narrative.<p>Next come the calls for action and equity. Very expensive destructive game.<p>"Alone, these new findings are not particularly meaningful. No evaluations were performed in the study to suggest the observed DMN changes impacted cognition. But alongside a growing body of epidemiological and preclinical studies linking air pollution with a number of neurodegenerative diseases, these findings may be much more significant. They effectively demonstrate the acute effects of air pollution on the human brain in a way never before shown."