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Introduction to Cystic Fibrosis Cystic Fibrosis (CF) is the most common lethal genetic disease of Caucasians, which causes certain glands to malfunction. In CF, mucous glands produce a thick, sticky mucus which interferes with breathing and digestion. Mucus clogs ....

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.... They consist of such symptoms as chronic obstructive airways disease, pancreatic insufficiency and malabsorption, high electrolyte concentrations in sweat, sterility due to vas deferens obliteration, and subclinical cirrhosis of the liver . However, as the severity of these symptoms varies in different patients, and because of the presence of normal lungs after birth, it is difficult to make an early accurate prognosis (Bunch 95). The presence of mucus in the lungs provides a site where bacteria or viruses are easily caught, but which are not removed from the lung by the action of the bronchial cilliary epithelium (Figure 1). Figure 1 - In CF ....