Key points from article :
About 850,000 people in the UK suffer with dementia, according to the NHS.
Air pollution is likely to increase the risk of developing dementia.
This is due to the impact of pollutants entering the circulatory system, affecting blood flow to the brain.
The authors said: “The epidemiological evidence reviewed fairly consistently reports associations between chronic exposure to air pollution and reduced global cognition... and increased risk of dementia".
Breathing in emissions can damage the blood vessels by making them narrower and harder – increasing the likelihood of clots, abnormal heart rhythms and heart attacks, according to the British Heart Foundation.
The Committee on the Medical Effects of Air Pollutants has published its findings after reviewing almost 70 studies.
