About Cystic Fibrosis
What Is Cystic Fibrosis?
Cystic fibrosis is an inherited chronic disease that affects the lungs and digestive system of about 30,000 children and adults in the United States (70,000 worldwide). A defective gene and its protein product causes the body to produce unusually thick, sticky mucus that:
- clogs the lungs and leads to life-threatening lung infections; and
- obstructs the pancreas and stops natural enzymes from helping the body break down and absorb food.
In the 1950s, few children with cystic fibrosis lived to attend elementary school. Today, advances in research and medical treatments have further enhanced and extended life for children and adults with CF. Many people with the disease can now expect to live into their 30s, 40s and beyond.
Symptoms of Cystic Fibrosis
People with CF can have a variety of symptoms, including:
- very salty-tasting skin;
- persistent coughing, at times with phlegm;
- frequent lung infections;
- wheezing or shortness of breath;
- poor growth/weight gain in spite of a good appetite; and
- frequent greasy, bulky stools or difficulty in bowel movements.
- About 1,000 new cases of cystic fibrosis are diagnosed each year.
- More than 70% of patients are diagnosed by age two.
- More than 45% of the CF patient population is age 18 or older.
- The predicted median age of survival for a person with CF is in the late 30s.
The Cystic Fibrosis Foundation
Since 1955, the Cystic Fibrosis Foundation has been the driving force behind the pursuit of a cure. Thanks to the dedication and financial backing of our supporters — patients, families and friends, clinicians, researchers, volunteers, individual donors, corporations and staff — we are making a difference.
In This Section
Why I Climb
CF Climb co-chair, Luke Wittenbraker, takes on CF Climb each year to support his best friend who lives with CF.
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