"The four-year air pollution study, which followed 68.5 million older Americans, was the first of its kind."
"WASHINGTON — Older Americans who regularly breathe even low levels of pollution from smokestacks, automobile exhaust, wildfires and other sources face a greater chance of dying early, according to a major study released Wednesday.
Researchers at the Health Effects Institute, a group that is funded by the Environmental Protection Agency as well as automakers and fossil fuel companies, examined health data from 68.5 million Medicare recipients across the United States. They found that if the federal rules for allowable levels of fine soot had been slightly lower, as many as 143,000 deaths could have been prevented over the course of a decade.
Exposure to fine particulate matter has long been linked to respiratory illness and impaired cognitive development in children. The tiny particles can enter the lungs and bloodstream to affect lung function, exacerbate asthma and trigger heart attacks and other serious illness. Earlier research has found that exposure to particulate matter contributed to about 20,000 deaths a year.
The new study is the first in the United States to document deadly effects of the particulate matter known as PM 2.5 (because its width is 2.5 microns or less) on people who live in rural areas and towns with little industry."
Lisa Friedman reports for the New York Times January 26, 2022.
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