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Long traffic jams may increase risk of cancer!

A new study has revealed that long traffic jams causes exposure to toxic fumes and may increases the risk of deadly disease cancer. 

Picture used for representational purpose

Zee Media Bureau

London: Are you often stuck at traffic jam? Well, a new study has revealed that long traffic jams causes exposure to toxic fumes and may increases the risk of developing the deadly disease cancer. 

As per World Health Organization (WHO), exposure to outdoor air pollution is among the top ten health risks faced by humans and is especially pronounced in urban concentrations. WHO on October, 2013 had classified that outdoor air pollution as being carcinogenic to humans.

Researchers said the findings showed that when vehicles stop at red lights, they go through different driving cycles such as idling, acceleration and deceleration and emission of toxic fumes.

These emissions take more time to disperse, especially in built-up areas and end up accumulating in the air at traffic signals.

Thus, the people sitting inside cars, with closed windows but with fans switched on, can be at an increased risk of exposure to the outdoor pollutants, the researchers said.

Switching on the fan sucks the dirty air from outside to inside the vehicle, resulting in an accumulation of pollutants in the car.

However, it may be relatively safe to put fans onto the setting where they re-circulate air within the car without drawing polluted air in from outside, the study stated.

"Where possible and with weather conditions allowing, it is one of the best ways to limit your exposure by keeping windows shut, fans turned off and to try and increase the distance between you and the car in front while in traffic jams or stationary at traffic lights," said Prashant Kumar from the University of Surrey.

"If the fan or heater needs to be on, the best setting would be to have the air re-circulating within the car without drawing in air from outdoors," Kumar added.

Previous studies have shown that drivers stuck at traffic lights were exposed up to 29 times more harmful pollution particles than those driving in free flowing traffic.

The new research, published in the journal Environmental Science: Processes and Impacts, has found that pedestrians are also exposed to increased air pollution around traffic signals.

(With IANS inputs)

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