Parkinson's Singing Group (image) Iowa State University Share Print E-Mail Caption Elizabeth Stegemöller leads a singing group for people with Parkinson's disease. Her latest research shows singing can lower stress and improve motor symptoms. Credit Iowa State University Usage Restrictions None 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.