how does cystic fibrosis affect other parts of your body
Symptoms of cystic fibrosis. The symptoms of cystic fibrosis can vary in severity from person to person. The thick mucus in the body affects a number of organs, particularly the lungs and digestive system. Most cases of cystic fibrosis in the UK are now identified through screening tests carried out early in life, before symptoms appear. Read more about screening for cystic fibrosis.