Boosting CO2 Relieves Asthma Symptoms (IMAGE) Southern Methodist University Caption Clinical psychologist Dr. Alicia Meuret, Southern Methodist University, Dallas, teaches a patient shallow breathing with biofeedback that she developed to relieve asthma symptoms. Credit SMU Usage Restrictions Please credit. Thank you. 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.