Stig Östlund

torsdag, mars 05, 2015

NEJM

www.nejm.org
Association of Improved Air Quality with Lung Development in Children
BACKGROUND Air-pollution levels have been trending downward progressively over the past several decades in southern California, as a result of the implementation of air quality–control policies. We assessed whether long-term reductions in pollution were associated with improvements in respiratory health among Children. Full Text of Background ...METHODS As part of the Children’s Health Study, we measured lung function annually in 2120 children from three separate cohorts corresponding to three separate calendar periods: 1994–1998, 1997–2001, and 2007-2011. Full Text of Methods ... RESULTS ... CONCLUSIO

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