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TRAFFIC JAMS * USA - Study: The Hidden Toll of
Scientists Increasingly Link Vehicle Exhaust With Brain-Cell Damage, Higher Rates of Autism
New York,NY,USA -The Wall Street Journal, by Robert Lee Hotz -8 Nov 2011: -- Congested cities are fast becoming test tubes for scientists studying the impact of traffic fumes on the brain... As roadways choke on traffic, researchers suspect that the tailpipe exhaust from cars and trucks—especially tiny carbon particles already implicated in heart disease, cancer and respiratory ailments—may also injure brain cells and synapses key to learning and memory... Columbia University's, Frederica Perera, discusses the link between exposure to pollutants in the womb and mental impacts in children... New public-health studies and laboratory experiments suggest that, at every stage of life, traffic fumes exact a measurable toll on mental capacity, intelligence and emotional stability. "The University of Southern California who is analyzing the effects of traffic pollution on the brain health of 7,500 women in 22 states. "The human data are very new" ... So far, the evidence is largely circumstantial but worrisome, researchers say... To be sure, cars and trucks today generate one-tenth the pollution of a vehicle in 1970. Still, more people are on the road and they are stuck in traffic more often. Drivers traveling the 10-worst U.S. traffic corridors annually spend an average of 140 hours, or about the time spent in the office in a month, idling in traffic, a new analysis reported... No one knows whether regular commuters breathing heavy traffic fumes suffer any lasting brain effect. Researchers have only studied the potential impact based on where people live and where air-pollution levels are highest...
Labels: traffic jams
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