Air Quality Linked to Increased Risk of Alzheimer’s

Researchers at the University of California, Davis, have found a link between traffic-related air pollution and an increased risk for age-related dementia, including Alzheimer’s disease. Their study, based on rodent models, corroborates previous epidemiological evidence showing this association.

Alzheimer’s disease is the most common cause of age-related dementia and the sixth leading cause of death in the United States. More than 5 million Americans currently live with Alzheimer’s disease — a number that is expected to triple by 2050 as the population ages. Health care costs for those patients are predicted to grow from $305 billion in 2020 to $1.1 trillion by 2050.

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