On Your Bike, Watch Out for the Air – The New York Times

“This elaborate gadgetry is part of a five-year study that aims to find out at what point the harm done by pollution to cyclists might outweigh the health benefits accrued from the exercise.

The strapped-on sensors measure levels of PM 2.5, the fine particulate matter that is about one-thirtieth the diameter of a human hair and thought to be particularly harmful to health. The tiny particles, including black carbon, the main component of soot, penetrate deep into the lungs and bloodstream and may lead to the development of respiratory illnesses like asthma and lung cancer. Even relatively short-term exposures can increase body-wide inflammation and boost the likelihood of strokes and heart attacks.

A 2014 report issued by the New York City Health Department said that particulates in the air cause more than 2,000 premature deaths and 6,000 emergency room visits and hospitalizations each year.

On Your #Bike, Watch Out for the Air https://www.NYTimes.com/2017/07/06/well/move/on-your-bike-watch-out-for-the-air.html City riding may bad for the lungs, involving inhaling air w/ high PM 2.5 levels

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