A possible causal link between air pollution and Alzheimer's disease has been suggested by scientists after they conducted detailed studies of brain tissue, in a joint British-Mexican project.
Study co-author Professor Barbara Maher, of Lancaster University, and her research team examined the brain tissue of 37 individuals who had lived in either Mexico City or Manchester, both air pollution hotspots.
Using microscopic and spectroscopic analysis, Maher's team found tiny magnetic particles from air pollution lodged in the brains, the first time such a discovery has been made.
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