ALIX / SCIENCE PHOTO LIBRARY ALIX / SCIENCE PHOTO LIBRARY
Cystic fibrosis treatment. Young boy breathing through a nebuliser in hospital. The nebuliser passes a fine mist into his lungs, which loosens the mucus that builds up due to the disease. Cystic fibrosis (CF) is a genetic disorder that causes the over-production of a thick mucus in the lungs, amongst other symptoms. This obstructs the airways, causing breathing difficulties and an increased chance of lung infection. CF can be diagnosed by genetic study of a foetus before birth. There is no cure for the condition, although modern treatments can prolong life well into adulthood.
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