Stroke MRIs (IMAGE) Washington University School of Medicine Caption Scientists at Washington University School of Medicine in St. Louis have found evidence that statins, which are drugs used to lower cholesterol, may help restore blood flow after a stroke. In the MRI on the right, areas where blood flow have been restored hours after treatment are outlined in white. Credit Stroke Usage Restrictions Please acknowledge that this image appeared in the journal Stroke. 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.