The Science Behind Cystic Fibrosis Causes and Its Genetic Roots

Cystic fibrosis is a genetic disorder caused by mutations in the CFTR gene. Cystic fibrosis causes a defective CFTR protein that disrupts the balance of salt and water in cells, leading to thick, sticky mucus buildup. This mucus clogs airways and ducts, especially in the lungs and pancreas, causing respiratory and digestive problems. The condition is inherited in an autosomal recessive pattern, meaning a child must receive one faulty gene from each parent to develop CF.