Isaac Walker-Cox (IMAGE) University of Bristol Caption This is an image of Isaac Walker-Cox at hospital during the DRIFT treatment. Credit North Bristol NHS Trust Usage Restrictions This image is only to be used for the purposes of communicating the findings of the DRIFT study. 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.