Air pollution from trucks and low-quality heating oil may explain childhood asthma hot spots

Where a child lives can greatly affect his or her risk for asthma. According to a new study by scientists at Columbia University, neighborhood differences in rates of childhood asthma may be explained by varying levels of air pollution from trucks and residential heating oil. In New York City, where the study was conducted, asthma among school-age children ranges from a low of three percent to a high of 19 percent depending on the neighborhood. Read more