The Air is Thick?

A disturbing study from China has suggested that exposure to air pollution, as well as damaging physical health, has a powerful detrimental effect on intelligence, especially in adult males (https://www.theguardian.com/environment/2018/aug/27/air-pollution-causes-huge-reduction-in-intelligence-study-reveals). China, admittedly, has some pretty impressive and chronic air pollution, especially in its cities but the finding certainly has resonance in the UK (and elsewhere) to locations that are well-frequented by cars and trucks (including many inner-city schools). Yet another reason why government should be pressured to 'clean up its act'?