The health dangers of underground trains: Subway commuters are exposed to 10 TIMES more cancerous toxins than car drivers, study warns
Underground train riders are exposed to far more cancer-causing air pollution than is safe, recent research reveals.
In Los Angeles, levels of toxins on one of the city's most heavily-trafficked lines are 10 times greater than what is deemed acceptable by the US government and international health organizations, a University of Southern California study found.
But even the busiest Los Angeles train lines see far fewer trains and commuters than other metropolitan areas like New York and London, where billions are in danger.
The study's findings suggest that subway systems - and particularly... read more
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