Peter Todd, M.D., Ph.D., Michigan Medicine - University of Michigan (image) Michigan Medicine - University of Michigan Share Print E-Mail Caption Peter Todd, M.D., Ph.D.'s University of Michigan team finds genetic mutation causes 'vicious cycle' in most common form of ALS. Credit Michigan Medicine Usage Restrictions You are free to copy, distribute, adapt, transmit, or make commercial use of this work as long as you attribute Michigan Medicine as the original creator and include a link to the accompanying article. Share Print E-Mail 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.