BSIP VEM / SCIENCE PHOTO LIBRARY BSIP VEM / SCIENCE PHOTO LIBRARY
Cystic fibrosis. Coloured chest X-ray showing the bronchi of a lung of a person who suffers from cystic fibrosis. The bronchi of the lungs are filled with mucus (green). Also seen are the ribs (pink) of the rib cage. People with cystic fibrosis suffer chronic infection of and mucus production in the lungs. Other symptoms include an inability to absorb fats and various other nutrients from food. The disorder is caused by inheriting a particular mutated gene on chromosome 7. It is treated by the use of physiotherapy, antibiotics and enzymes to aid food digestion. Despite all of these, cystic fibrosis usually results in a much reduced life expectancy.
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