Freeways and the Fight or Flight Response
By: Anson, September 29th, 2009
Adding to the growing evidence of the health harms of freeways and auto-dependency, a recent study highlighted by Infrastructurist found that particulate matter from freeways triggers the fight or flight response in humans:
Scientists at the University of Michigan, led by Dr. Robert Brook, found that [polluted air] can increase your blood pressure, and cause unhealthy changes in your blood vessels that last for hours and perhaps even days. […] [Study] participants were exposed in the lab to the same amount of particulates and ozone that would be found near a local highway. People who breathed in polluted air registered higher blood-pressure readings a short time after exposure and their blood vessels showed impairment as long as 24 hours later.
English
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