“Kunzli N, McConnell R, Bates D, Bastain T, Hricko A, Lurmann F, Avol E, Gilliland F, Peters J. 2003. Breathless in Los Angeles: The Exhausting Search for Clean Air. American Journal of Public Health, Vol. 93 No. 3: 1494-1499. From the abstract of this peer-reviewed study, which includes summarized results of every peer-reviewed publication and report on the University of Southern California’s long-term prospective cohort study of children’s respiratory health and outdoor air pollution: …The Children’s Health Study indicates that reduced lung function growth, increased school absences, asthma exacerbation, and new-onset asthma are occurring at current levels of air pollution, with sizable economic consequences. We describe these findings….”””