Cystic fibrosis is a genetic disorder that affects the lungs, digestive system, and other organs. It is caused by a mutation in the cystic fibrosis transmembrane conductance regulator (CFTR) gene. This mutation leads to the production of thick, sticky mucus in the affected organs, obstructing the airways and impairing normal functioning. Symptoms of cystic fibrosis include persistent coughing, frequent lung infections, difficulty breathing, poor growth, and digestive problems.
