The smoke in Seattle may lead to dementia, according to Dr. Gordon Cohen talking on Seattle's Morning News.
said that people in areas of the U.S. with high levels of air pollution have a greater risk of developing dementia.“The study is interesting because it’s really the first time that they have been able on a national level to find that people who lived in areas of the country with higher concentrations of particle pollution were at greater risk of developing dementia than those who didn’t live in similar areas,” Cohen said.
This particle pollution is a mix of solid and liquid droplets that float in the air and can come in the form of dirt, dust, smoke, and pollen. Cohen said it is not clear why the particulate contamination causes an increase in dementia. “So it’s possible that it’s having a direct effect. But it’s also possible that there’s an indirect effect,” Cohen continued. “We do know that exposure to particle pollution can cause heart conditions and blood vessel problems. And these are both also known to be a risk for Alzheimer’s disease and other forms of dementia.”
PM2.5, or particulate matter 2.5, refers to tiny particles or droplets in the air that are 2.5 microns or less in width. The largest PM2.5 particles are about 30 times smaller than a human hair.
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