Drs. Ryan Harris and Katie McKie, Georgia Health Sciences University (image) Medical College of Georgia at Georgia Regents University Share Print E-Mail Caption Drs. Ryan A. Harris (seated) and Katie T. McKie have found the first evidence of blood vessel dysfunction in a small number of generally healthy young people with cystic fibrosis. Credit Phil Jones, Georgia Health Sciences University Photographer 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.