Study on traffic pollution and child asthma

Science Daily: "Near-Roadway Air Pollution a Major Contributor to Asthma in Los Angeles County, Research Finds"
"Our findings suggest that there are large and previously unappreciated public health consequences of air pollution in Los Angeles County and probably other metropolitan areas with large numbers of children living near major traffic corridors," said Rob McConnell, professor of preventive medicine, Keck School of Medicine of USC.