Daniel B. Campbell, Ph.D., University of Southern California (image) University of Southern California - Health Sciences Share Print E-Mail Caption Daniel B. Campbell, Ph.D. is assistant professor of psychiatry and the behavioral sciences at the Keck School of Medicine of USC. He is the senior author of a study finding that exposure to air pollution appears to increase the risk for autism among people who carry a genetic disposition for the neurodevelopmental disorder. Credit © University of Southern California Usage Restrictions Image may only be used with appropriate caption or credit. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.