JACOPIN / BSIP / SCIENCE PHOTO LIBRARY JACOPIN / BSIP / SCIENCE PHOTO LIBRARY
Illustration of cystic fibrosis. It is characterised by thick, viscous mucus that prevents the digestive and respiratory tracts from functioning normally. The left-hand outline shows the organs affected by the illness: - The skin : abnormal sweat which is 3 to 5 times more salty. The lungs : viscous mucus sticks to the bronchial tubes, making breathing difficult and increasing bronchial, viral and particularly bacterial infections. The liver : affected in 15% to 20% of cases, thick bile blocks the biliary tracts preventing it from working properly. The pancreas : affected in 80% of cases, mucus obstructs the pancreatic ducts preventing digestion enzymes from reaching the intestine. The intestine : bad digestion causes abdominal pain and problems.
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