Cystic fibrosis (CF) is a life-threatening genetic disease that primarily affects the lungs and digestive system. An estimated 30,000 children and adults in the United States (70,000 worldwide) have CF.
In the United States:
In people with CF, a defective gene and its protein product cause the body to produce unusually thick, sticky mucus that:
In the 1950s, few children with CF lived to attend elementary school. Since then, tremendous progress in understanding and treating CF has led to dramatic improvements in the length and quality of life for those with CF. Many people with the disease can now expect to live into their 30s, 40s and beyond.
People with CF can have a variety of symptoms, including: