Cystic fibrosis treatments are improving patients’ quality of life. Three physicians from University of Iowa Health Care share more about cystic fibrosis. By Sara Berg, MS News Editor Cystic fibrosis (CF) is a lifelong genetic condition that primarily affects the lungs and digestive system, making everyday tasks like breathing and eating more difficult than most people ever realize or experience. Caused by changes in a single gene, cystic fibrosis leads to thick, sticky mucu