Changes

'''Cystic fibrosis''' is a hereditary [[disease]] whose symptoms usually appear shortly after birth. They include faulty digestion, breathing difficulties and respiratory infections due to mucus accumulation, and excessive loss of [[salt]] in sweat. In the past, cystic fibrosis was almost always fatal in childhood, but treatment is now so improved that patients commonly live to their 20s and beyond.

'''Cystic fibrosis''' is a hereditary [[disease]] whose symptoms usually appear shortly after birth. They include faulty digestion, breathing difficulties and respiratory infections due to mucus accumulation, and excessive loss of [[salt]] in sweat. These symptoms arise due to a genetic mutation in a membrane bound chloride ion channel. In the past, cystic fibrosis was almost always fatal in childhood, but treatment is now so improved that patients commonly live to their 20s and beyond.

[[Category:Disease]]

[[Category:Disease]]