Kristen M. George and Rachel Whitmer (IMAGE) University of California - Davis Health Caption Kristen M. George, left, assistant professor in the UC Davis Department of Public Health Sciences, and Rachel Whitmer, professor in the departments of Public Health Sciences and Neurology. Credit UC Davis Health Usage Restrictions Courtesy photo License Original content 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.