Traffic Pollution Impacts on Older Men


Air Pollution (Effects on Humans) Policy Sub-C...
Image by SEDACMaps via Flickr

Traffic-Related Air Pollution and Cognitive Function in a Cohort of Older Men (31 page pdf, Environ Health Perspect, Dec.20, 2010)

Also discussed here: Car Emissions Cloud the Mind (MedPage Today, Dec. 28, 2010)

And at podcast(MP3 file): HERE

The aging of society in many countries has also resulted in an increase in the number of sufferers from dementia and alzheimers disease. The journal article under review today confirms an association between particulate matter emitted by vehicles in traffic and cognitive thinking ability in older men, although the same association has already been shown with children and pets. This is yet another reason to limit exposure to traffic-related pollution and to limit or reduce traffic volume.

Key Quotes
“A doubling of exposure to black carbon — a marker for traffic pollution — was associated with a 30% greater chance of having a low score on a screening test for dementia”

“This is the first study to find an association between traffic-related air pollution and cognition in older men, and only the second to consider the relationship in older adults,”

“Children and dogs residing in a highly polluted city were also more likely to exhibit white matter hyperintensities in the prefrontal cortex than those residing in a city with lower levels”

“if traffic-related air pollution is causally related to cognitive impairment in older adults, implementation of interventions to reduce exposure, including establishment of more stringent emissions standards, would be expected to have substantial benefits,”

“They noted that traffic pollution could affect the central nervous system either directly or indirectly.”

Enhanced by Zemanta
Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

%d bloggers like this: