Cystic Fibrosis Summary Cystic fibrosis (CF) is an inherited disease of the mucus and sweat glands. It affects mostly your lungs, pancreas, liver, intestines, sinuses, and sex organs. CF causes your mucus to be thick and sticky. The mucus clogs the lungs, causing breathing problems and making it easy for bacteria to grow. This can lead to repeated lung infections and lung damage. The symptoms and severity of CF can vary. Some people have serious problems from birth. Others have a milder version of the disease that doesn’t show up until they are teens or young adults. Sometimes you will have few symptoms, but later you may have more symptoms. CF is diagnosed through various tests, such as gene, blood, and sweat tests. There is no cure for CF, but treatments have improved greatly in recent years. In the past, most deaths from CF were in children and teenagers. Today, with improved treatments, some people who have CF are living into their forties, fifties, or older. Treatments may include chest physical therapy, nutritional and respiratory therapies, medicines, and exercise. 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National Heart, Lung, and Blood Institute Newborn Screening for CF Cystic Fibrosis Foundation Sweat Test American Association for Clinical Chemistry Trypsin and Chymotrypsin Test American Association for Clinical Chemistry Trypsinogen Test American Association for Clinical Chemistry Clinical Trials Clinical Research Cystic Fibrosis Foundation ClinicalTrials.gov: Cystic Fibrosis National Institutes of Health Children Cystic Fibrosis American Academy of Pediatrics Cystic Fibrosis Nemours Foundation Cystic Fibrosis: Diet and Nutrition Nemours Foundation Teenagers Cystic Fibrosis Nemours Foundation Cystic Fibrosis: Diet and Nutrition Nemours Foundation Array Cystic fibrosis Cystic fibrosis – nutritional considerations How to breathe when you are short of breath Neonatal cystic fibrosis screening Postural drainage Sweat electrolytes test Prevention and Risk Factors Cystic Fibrosis and Pregnancy March of Dimes Birth Defects Foundation Find an Expert Cystic Fibrosis Foundation Cystic Fibrosis Foundation Cystic Fibrosis Foundation: Find a Chapter Cystic Fibrosis Foundation National Heart, Lung, and Blood Institute National Heart, Lung, and Blood Institute National Institute of Diabetes and Digestive and Kidney Diseases National Institute of Diabetes and Digestive and Kidney Diseases NIH MedlinePlus Magazine Cystic Fibrosis Research Cystic Fibrosis: Symptoms, Diagnosis, Treatment Living with Cystic Fibrosis Steady Advances Against Cystic Fibrosis Statistics and Research Drug Development Pipeline Cystic Fibrosis Foundation Improved Survival of Patients with Cystic Fibrosis American College of Physicians Encyclopedia Fecal fat Oxygen safety Secretin stimulation test Traveling with breathing problems Trypsin and chymotrypsin in stool Trypsinogen test Using oxygen at home Using oxygen at home – what to ask your doctor Genetics Genetics Home Reference: cystic fibrosis National Library of Medicine Learning about Cystic Fibrosis National Human Genome Research Institute What Causes Cystic Fibrosis? National Heart, Lung, and Blood Institute Treatments and Therapies How Is Cystic Fibrosis Treated? National Heart, Lung, and Blood Institute Therapies for Cystic Fibrosis Cystic Fibrosis Foundation Journal Articles Cystic Fibrosis Symptoms What Are the Signs and Symptoms of Cystic Fibrosis? National Heart, Lung, and Blood Institute Videos and Tutorials What Is Cystic Fibrosis? Dolan DNA Learning Center