'Long-term exposure to air pollution increases vulnerability to experiencing the most severe COVID-19 outcomes,' a team of Harvard scientists wrote.
The researchers say that a small increase in long-term exposure to PM2.5 leads to a large increase in the COVID-19 death rate. A person who has lived for many years in an area with high PM2.5 is more likely to die from the disease than someone else living in another area where PM2.5 levels are one microgram per cubic meter lower.
Numerous studies have linked long-term exposure to PM2.5 with a variety of health outcomes, including premature death in people with heart or lung disease, non-fatal heart attacks, irregular heartbeats, aggravated asthma, decreased lung function, and respiratory problems such as inflammation, airway irritations, coughing, or difficulty breathing.
"The results of this paper suggest that long-term exposure to air pollution increases vulnerability to experiencing the most severe COVID-19 outcomes," the authors wrote in the study."These findings align with the known relationship between PM2.5 exposure and many of the cardiovascular and respiratory comorbidities that dramatically increase the risk of death in COVID-19 patients.
The buildings of downtown Los Angeles are partially obscured in the late afternoon on November 5, 2019 as seen from Pasadena, California."On Thursday, March 26, 2020 the U.S.
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