It could also reduce the risk of lung disease later in life and may even increase life expectancy. Researchers analyzed data on 1,509 people born in Stockholm between 1994-1996. They cross-referenced each subject’s lung capacity at the ages of 8, 16 and 24 with levels of air pollution, estimated according to each participant’s address. Children in less polluted areas had stronger lung function development. That is, the ability of their lungs to take in and breathe out air