In Utero Air Pollution Exposure Tied to Poorer Cognition Later in Life

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In Utero Air Pollution Exposure Tied to Poorer Cognition Later in Life

In utero exposure to air pollution is tied to poorer cognition later in life, new research suggests. 

Results of a large, longitudinal study show exposure to air pollution in early life had a small but detectable link to worse cognition between the ages of 11 and 70 years. However, the effect size was small and the results did not support a cumulative effect.

“The life course paradigm is essential in understanding cognitive decline and this is the first study to examine life course air pollution exposure in relation to cognitive health,” the researchers, led by Tom C. Russ, PhD, director of the Alzheimer Scotland Dementia Research Centre, Edinburgh, UK, write.

The findings were published online January 8 in Journal of Alzheimer’s Disease.

J Alzheimers Dis. Published online January 8, 2021. Full text

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