It can cause respiratory problems including reduced lung function, chest pain and coughing.
Delhi's bad air is already causing a spike in the people with asthma and reduced lung function.
Reduced lung function growth is also linked to NO2 at concentrations currently measured (or observed) in cities of Europe and North America.
Evidence from cross-sectional and longitudinal studies link reduced lung function and cardiovascular diseases.
Reduced lung function is associated with clinical outcomes such as cardiovascular disease.
Particles of PM2.5, which are around 30 times smaller than a human hair in width, can worsen asthma and heart disease and are linked to reduced lung function.
Bone mineral loss, reduced lung function and impaired nutritional status are frequently present in children with Cystic Fibrosis (CF).
This review examines the current evidence that links both reduced lung function and SDB to CV diseases.
A 2008 study for India's Central Pollution Control Board reported that more than two-fifths of Delhi's schoolchildren have reduced lung function, damage that is likely to be irreversible.
Children living in highly polluted areas are four times more likely to have reduced lung function in adulthood, yet improving air quality has been shown to halt and reverse this effect".
The studies come amid new evidence that even low doses of arsenic may reduce IQ in children, in addition to well documented risks of heart disease, cancer and reduced lung function.
