A new study of 60 million Americans – about 97 percent of people age 65 and older in the United States – shows that long-term exposure to airborne fine particulate matter (PM2.5) and ozone increases the risk of premature death, even when that exposure is at levels below the National Ambient Air Quality Standards.
from Top Health News – ScienceDaily http://ift.tt/2tZxaE9
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