Cystic Fibrosis Foundation | 32,901 followers on LinkedIn. We are leading the way in the fight against cystic fibrosis, fueling extraordinary medical and scientific progress. | The Cystic Fibrosis Foundation is the world’s leader in the search for a cure for people with cystic fibrosis, a rare, genetic disease in which a defective gene causes a thick buildup of mucus in the lungs, pancreas, and other organs. The buildup of mucus can lead to extensive lung damage, respiratory failure, malnutrition, liver disease, and gastrointestinal issues, among many other complications. Recognized globally, the Cystic Fibrosis Foundation has led the way in the fight against cystic fibrosis, fueling extraordinary medical and scientific progress.