HealthDay: Air pollution from high-traffic roads increases the risk of asthma in children who attend nearby schools, new research suggests. In a study that looked at statistics on children’s health in Southern California communities, researchers found that those who attend schools near high-traffic areas are 45 percent more likely to develop asthma, although the number of students in the study who developed asthma was small. “Exposure to pollution at locations other than home, especially …