Graphic (VIDEO) Osaka University This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption Graphic portrays the DNA repeat expansion mutation that causes Huntington's disease being reversed by a newly discovered molecule (shown here as "new intervention" starburst). Increasing number of repetitions of "FAT FAT FAT" represents worsening disease; reduced repetitions of "FAT FAT FAT" caused by the new intervention represent less severe disease. Credit The Hospital for Sick Children 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.