The Guardian, 1 September 2018:
The link between cognitive performance and air pollution is very worrying but not surprising (High pollution levels ‘causing huge reduction in intelligence’, 28 August). The report by the Royal College of Physicians in 2016 drew a link between air pollution and dementia in the elderly and reduced cognitive performance in children. This recent study from China indicates that teenagers and adults are also affected.
We don’t know how these effects are mediated, but with neurotoxins such as lead the most critical period of exposure is likely to be during pregnancy. A study undertaken in New York of non-smoking mothers showed strong associations with foetal exposure to particulates and subsequent mental health problems in those children at primary school age. These problems included anxiety, depression and ADHD. This has momentous implications for public health. We are suffering an epidemic of mental health problems among British schoolchildren which the medical profession is unable to explain. There is an urgent need for further research in this area, but I am not aware of any study in the UK that addresses this problem.
Dr Robin Russell-Jones
Former chair, Campaign for Lead Free Air