Express.co.uk | Alzheimer's breakthrough: Disease could be caused by heavily polluted air Express.co.uk Living next to main roads could increase the risk of Alzheimer's disease, and other types of dementia, by up to 12 per cent, scientists have said. A study has found living in a major city, or never moving from an urban area close to a busy road boosted ... Living close to a busy road 'can increase risk of Alzheimer's', study claims Living near a busy road may raise risk of dementia, major study into pollution finds Living near heavy traffic increases dementia risk, say scientists |