Health effects of air pollution on older adults
Health effects of air pollution on older adults"
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If air pollution has become a political issue, a new study shows it is increasingly becoming a health hot button, too, especially for older Americans. It's shaving weeks to years off
their life expectancy and causing serious lung and other conditions. According to a new analysis of Environmental Protection Agency (EPA) data, air quality declined by 5.5 percent on average
nationwide from 2016 to 2018 after almost a decade of improvement. The villain behind these new findings is the rise in microscopic particulate matter, known as PM2.5, from car emissions,
trucking, soot, smoke from wildfires, volatile compounds from factories, diesel generators and the burning of natural gases, said Karen Clay, a professor of economics and public policy at
Carnegie Mellon University in Pittsburgh. "The increase in PM2.5 is important because of its health impact,” said Clay, lead author of the study published by the National Bureau of
Economic Research. She and her colleagues monitored 653 counties across the U.S. from 2009 to 2018. They found that the increase in air pollution was associated with 9,700 additional
premature deaths of adults over age 30 from 2016 to 2018 and about 18,000 years of life lost among the elderly nationally. They attributed about 1,400 of the deaths in California to
pollution stemming from the fires there in November 2018. In no way are the effects of air pollution so small as to be typically “killing people a day or two before they would have died
anyway,” Clay noted. When microscopic particles from pollution are inhaled, they penetrate the deepest part of the lungs, which can create a cascade of reactions and inflammation, said
pulmonologist Zab Mosenifar, medical director of the Women's Guild Lung Institute at Cedars-Sinai Medical Center in Los Angeles. The reactions then “take on a life of their own,”
Mosenifar said. A healthy person may have a minor reaction, or the inhaled particles can create progressive scarring, or fibrosis, of lung tissue, causing shortness of breath, fatigue and a
chronic cough in vulnerable adults with emphysema or other respiratory illnesses. FOR EXPERT TIPS TO HELP FEEL YOUR BEST, GET AARP’S MONTHLY _HEALTH_ NEWSLETTER. Air pollution has also been
associated with a range of other health risks beyond lung disease, including heart disease, dementia, osteoporosis, and even urinary and bladder cancer. * In 2016, a study published in _The
Lancet_ found that long-term exposure to air pollution contributes to the progression of heart disease by accelerating atherosclerosis, a major cause of heart attack and stroke. Older adults
and those with hypertension are the most vulnerable to these health effects. * A 2018 study published in the _Journal of Preventive Medicine & Public Health_ found that air pollution is
harmful to bone health and can even cause osteoporosis and bone fractures. * This year, in a review published in the _Journal of Alzheimer's Disease_, investigators analyzed 13 papers
addressing airborne pollutants and dementia, and concluded that “evidence is emerging that greater exposure to airborne pollutants is associated with increased risk of dementia."
Although experts say they expect to see more chronic obstructive pulmonary disease (COPD), more cardiovascular disease and still lower survival rates of older people if air pollution
continues to increase, there are things you can do to protect yourself.
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