Arnold and Bar Or, McGill University (IMAGE) McGill University Caption Douglas Arnold, left, and Amit Bar-Or, right, were authors on three studies conducted by an international team of researchers that has shown a drug to reduce new attacks/symptom progression in some MS patients. Credit The Neuro 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.