Carol White (IMAGE) UT Southwestern Medical Center Caption Carol White, 69, who has hypertension and a family history of dementia, is participating in a national study to evaluate methods to prevent declines in brain function. Credit UT Southwestern 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.