Cystic fibrosis (CF) is a genetic disease that causes sticky, thick mucus to build up in your organs, blocking and damaging them. Many people think of CF as a lung disease because it affects your lungs and airways, which can make it hard to breathe and cause frequent infections., Cystic fibrosis is a chronic genetic disorder that has affected children and adults since ancient times, primarily affecting the respiratory, digestive, and reproductive systems., Cystic fibrosis (CF) is a genetic disorder that causes problems with breathing and digestion. Women who are pregnant or planning a pregnancy can be screened to see if they could have a child with CF., Learn about cystic fibrosis, its signs, symptoms, and ways to manage the disease after a diagnosis. Some people who have cystic fibrosis have few or no symptoms, while others experience severe symptoms or life-threatening complications., Cystic fibrosis (CF) is a serious genetic condition that causes severe damage to the respiratory and digestive systems. This damage often results from a buildup of, What is cystic fibrosis? Cystic fibrosis (CF) is an inherited life-limiting disease that affects many organs. It causes changes in the electrolyte transport system. People with CF have problems with the glands that make sweat and mucus. CF makes mucus thicker. Symptoms start in childhood. On average, people with CF live into their mid to late 30s..