Discoveries in Respiratory Medicine (AUDIO) American Thoracic Society Your browser does not support the audio element. Caption ATS past president John E. Heffner, M.D., discusses the finding that triple therapy improves symptoms, functional capacity and reduces rsik of exacerbations in severe COPD. Credit The American Thoracic 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.