Jayant Pinto, University of Chicago (IMAGE) University of Chicago Medical Center Caption Jayant Pinto, M.D., is shown with one of the Sniffin' Sticks used to test a patient's ability to identify scents for his research on olfactory dysfunction and aging. Credit Robert Kozloff/The University of Chicago Usage Restrictions None License Licensed 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.