The Polluted Brain – Evidence Builds that Dirty Air Causes Alzheimer’s, Dementia (AAAS Science, Emily UnderwoodJan. 26, 2017)
Also discussed here: Particulate Air Pollutants and White Matter Brain Aging (Abstract, Jiu-Chiuan Chen, Xinhui Wang, Mark A. Espeland, Helena Chui, Alzheimer’s and Dementia, Jul. 2014)
And here: Traffic-related air pollution and brain development (21 page pdf, Nicholas Woodward, Caleb E. Finch and Todd E. Morgan , AIMS Environmental Science. May 6, 2015)
Today we review a series of research articles that reaffirm the health risks presented to people (and mice) who breathe in air polluted by vehicles and containing ultra-fine particles, in particular. Signs of memory loss and Alzheimer’s are evident in mice exposed to UFP. Levels of fine air particles within 50 m of major roadways are 10 times higher than at 150 m and those within 50 m stand a 12% higher risk of developing dementia. Tests involving prenatal mice showed that fetal damage can be done by fine particles without entering the placenta. The closer people live to major roadways, the smaller their celebral brain volume. What more do city planners and public health officials need to know about running highways and traffic through cities?
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