Myotonic Muscular Dystrophy (IMAGE) American Chemical Society Caption Scientists are reporting a critical first step toward development of a long sought drug for myotonic muscular dystrophy (MMD). Credit American Chemical Society 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.