Global Science Report is a feature from the Center for the Study of Science, where we highlight one or two important new items in the scientific literature or the popular media. For broader and more technical perspectives, consult our monthly “Current Wisdom.”
A pre-print of a soon to be published paper in the Journal of Asthma and Clinical Immunology describes a study conducted by researchers at the Johns Hopkins Children’s Center making this provocative finding:
Taking the United States as a whole, living in an urban neighborhood is not associated with increased asthma prevalence.
It’s a radical finding. The study upends more than half a century of research that assumed outdoor air pollution in cities was to blame for higher asthma rates—a hypothesis repeatedly used by EPA regulators to justify the agency’s regulations.