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Pollution's Long-Term Effects on Pre-Teens' Lungs

A study published in the New England Journal of Medicine this week indicates that current levels of air pollution have chronic adverse effects on lung development in children aged 10 to 18. The large study's authors conclude that the exposure leads to clinically significant deficits in adult lung function. NPR's Richard Harris reports.

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Award-winning journalist Richard Harris has reported on a wide range of topics in science, medicine and the environment since he joined NPR in 1986. In early 2014, his focus shifted from an emphasis on climate change and the environment to biomedical research.