Air Pollution May Trigger Heart Attacks, Study Finds
New studies show that air quality may be part of the reason for heart troubles, including heart attacks.
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Metra Trains Produce Alarming Amount Of “Lung-Damaging Soot”
Many tests showed levels of soot known to damage the lungs inside many outbound train cars, levels sometimes at least 100 times greater than the pollution levels on a busy street.
