Example of the Omega-3 Index (IMAGE) IOS Press Caption This is an example of the Omega-3 Index, the method utilized in this study for measuring omega-3 fatty acid levels in red blood cell membranes in the study. Credit William S. Harris, PHD 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.