Excessive air pollution may be cause for a fifth of dementia cases – study

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New study indicates that particulate matter emitted by automobiles and power plants may account for 21 percent of dementia cases and may nearly double the likelihood that women older than 64 years will develop cognitive impairment.

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Source: Excessive air pollution may be cause for a fifth of dementia cases – study — RT America

RT America

 2 Feb, 2017



© Fred Prouser / Reuters


Airborne particulate matter emitted by automobiles and power plants in urban areas may account for 21 percent of dementia cases and may nearly double the likelihood that women older than 64 years will develop cognitive impairment, a new study says.

The chances of developing dementia increase by around 92 percent for women ages 65 to 79 who are exposed to air pollution consisting of particulate matter up to 2.5 micrometers (PM2.5) in diameter, a level that exceeded US Environmental Protection Agency standards from 2012, according to the study, released this week in the journal Translational Psychiatry.

Applying the study’s findings to the population beyond older women, PM2.5 could be the cause of about 21 percent of all dementia cases, according to the…

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