Get your head out of the exhaust clouds. Exposure to air pollution may affect the size of your brain, a recent Harvard study suggests.
The findings linked living in areas of poor air quality to smaller brain volume – the equivalent of about a year of brain ageing.
Study author Dr Elissa Wilker explains that tiny toxic particles can lodge in your lungs, causing widespread inflammation that may lead to cerebrovascular damage.
Can't abide skipping your road run or cycle commute? Could be time to invest in an anti-pollution mask.