Anna Walking (IMAGE) UT Southwestern Medical Center Caption Dr. Juan Pascual walks with Anna Gunby, 4, who was diagnosed this year with a rare brain disease that severely inhibits learning and muscle control. A published study and ongoing national clinical trials are changing notions of how to treat Glut1 deficiency. 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.