Cystic fibrosis (CF) is a genetic disorder that primarily affects the lungs and digestive system. It is caused by mutations in the CFTR gene, which leads to the production of thick, sticky mucus that clogs airways and traps bacteria, resulting in chronic lung infections and breathing difficulties. This same mucus can block the pancreas, preventing digestive enzymes from reaching the intestines and causing poor nutrient absorption. Symptoms often include persistent coughing, frequent lung infecti