The result is thick, sticky mucus in the respiratory, digestive and reproductive systems, as well as increased salt in sweat. The type of gene mutation is associated with the severity of the condition.Children need to inherit one copy of the gene from each parent in order to have the disease.Cystic fibrosis signs and symptoms vary, depending on the severity of the disease.Even in the same person, symptoms may worsen or improve as time passes.Seek immediate medical care if you or your child has difficulty breathing.In cystic fibrosis, a defect (mutation) in a gene changes a protein that regulates the movement of salt in and out of cells.
The thick and sticky mucus associated with cystic fibrosis clogs the tubes that carry air in and out of your lungs.
Cystic fibrosis is an inherited disorder that causes severe damage to the lungs, digestive system and other organs in the body.
Cystic fibrosis affects the cells that produce mucus, sweat and digestive juices.
Improvements in screening and treatments mean people with cystic fibrosis now may live into their mid- to late 30s, on average, and some are living into their 40s and 50s.
Cystic fibrosis care at Mayo Clinic Screening of newborns for cystic fibrosis is now performed in every state in the United States.