Living close to major roads linked to small increase in dementia risk, study suggests
Published 5 January 2017
Dementia is more common in people who live within 50 metres of a major road than those who live further away, according to a study looking at 6.6 million people.
Dr Doug Brown, Director of Research at Alzheimer's Society said:
'This study offers some evidence that people who live near major roads in Ontario, Canada have a slightly increased risk of dementia. Although this was a thorough study in a large number of people, the research hasn’t yet shown what causes this link, so we can’t be sure that reducing pollution or noise from traffic would decrease the risk of dementia.
'The causes of dementia are complex. Lifestyle factors such as exercise, eating healthily and avoiding smoking will reduce our chances of developing dementia. Age remains the strongest known risk factor for dementia, but emerging evidence on aspects of the environment could become important to help prevent dementia in future.'