More Evidence That Traffic Air Pollution May Increase Dementia Risk

Recent research, conducted by scientists from the University of California, Davis, adds to the body of research suggesting that there is a link between traffic-related air pollution and an increased risk of developing dementia.More Evidence That Traffic Air Pollution May Increase Dementia Risk

For the study, a team of researchers exposed male and female rats to either filtered air or polluted air for up to 14 months. They drew the polluted air from the busy tunnel in real time and delivered it directly to the animals without any changes.

The researchers discovered that continual exposure to traffic-related air pollution accelerated and exacerbated traits relevant to Alzheimer’s disease both in the rats who were genetically susceptible to the condition and in wild-type rats.

Senior author of the study Dr. Pamela Lein, a professor of neurotoxicology: “Our study is relatively unique in that animals were exposed to ambient traffic-related air pollution in real time over the course of their lifetime, providing strong data to corroborate the epidemiologic data.”

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