Dr. Craig J. Newschaffer, PhD, Professor and Chair of the Department of Epidemiology and Biostatistics, and autism expert at the Drexel University School of Public Health, provided expert commentary on the rising diagnoses rates of autism and the possibility of an epidemic in the United States. The comments were made in an article entitled, "Is There an Autism Epidemic," which appears in the May 11, 2007 edition of The Chronicle for Higher Education. Click here to view the story.