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Even low levels of air pollution can harm hearts, lungs in elderly
Long-term exposure to low levels of air pollution even levels below national standards can increase the risk of several serious cardiac and respiratory conditions in elderly adults, according to a new study from Harvard T.H. Chan School of Public Health.
Researchers analyzed data from more than 63 million Medicare patients from 2000 to 2016 and looked for associations between three different types of pollutants fine particulate matter (PM2.5), nitrogen dioxide, and ozone and harmful health effects. They found that long-term exposure to low pollution levels was linked with increased risk for pneumonia, heart attack, stroke, and atrial fibrillation.
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DALLAS, Feb. 22, 2021 Exposure to what is considered low levels of air pollution over a long period of time can increase the risk of heart attack, stroke, atrial fibrillation and pneumonia among people ages 65 and older, according to new research published today in the American Heart Association s flagship journal
Circulation.
Air pollution can cause harm to the cardiovascular and respiratory systems due to its effect on inflammation in the heart and throughout the body. Newer studies on the impact of air pollution on health are focused on understanding the potential harm caused by long-term exposure and are researching the effects of multiple air pollutants simultaneously. Research on air pollution is critical to informing recommendations for national environmental and health guidelines.