Loss of Cohesion (IMAGE) Dartmouth College Caption This image shows the premature loss of cohesion with age. The image is It is figure 1A from the study in PNAS. Credit Courtesy of Sharon Bickel, Dartmouth College. 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.