Dementia risk is increased in people living near high-traffic roads

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People who live within 50 metres of high-traffic roads have a 7 per cent higher likelihood of dementia than those who live more than 300 meters away from busy roads.

That is one of the findings from new research from Public Health Ontario (PHO) and the Institute for Clinical Evaluative Sciences (ICES) in Canada.

As part of the study, researchers examined data relating to more than 6.5 million Ontario residents aged 20-85 years, to investigate the correlation between living close to major roads and risk for dementia, Parkinson's disease and multiple sclerosis.

While there was no correlation between major traffic proximity and Parkinson's disease or multiple sclerosis, they did identified a significant link between traffic proximity and dementia risk.  The risk was highest for those living closest...