Published in Health Risk Factor Week, June 5th, 2007
The prevalence of asthma has increased at least 3-fold during the past several decades, but the cause for this remains unknown, said author Renee D. Goodwin, PhD, MPH, Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, N.Y. The increase is occurring most prominently in industrialized countries, but now developing countries are beginning to experience similar...
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