Hector T. , Andrew D. , Sumir R.
1. The most serious symptom is having difficultly breathing.
2. Other symptoms are frequent lung infection, poor growth.
3. One of the prevailing physical signs of cystic fibrosis is noticeable digital clubbing.
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). Also many people with the disease can now expect to live into their 30s, 40s and beyond. CF is most common among Caucasians; one in 25 people of European descent carries one allele for CF. A defective gene and its protein product cause the body to produce unusually thick, sticky mucus that:
clogs the lungs and leads to life-threatening lung infections; andobstructs the pancreas and stops natural enzymes from helping the body break down and absorb food.