Posted in Web Cystic Fibrosis (CF): Symptoms, Causes, Diagnosis, Treatment January 9, 2020 Cystic fibrosis (CF) is a genetic disorder, which means you get if from your parents at birth. It affects the way your body makes mucus, a substance that helps your organs and systems work. Mucus… https://www.webmd.com/children/what-is-cystic-fibrosis