What Is Cystic Fibrosis

What Is Cystic Fibrosis

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Introduction to Cystic Fibrosis

Cystic fibrosis was a mystery disease until the mid 1940’s. Then it was identified with the inability to clear mucus from the lungs and air passages. Some scientists and researchers believe it developed because of preventive measures taken for cholera. If a child was diagnosed with cystic fibrosis in the 40’s they rarely survived childhood. In the 1970’s the survival rate of a child with cystic fibrosis was sixteen! Treatment was supportive in nature and did little more than improve their quality of life. Today there is still no known cure for cystic fibrosis but there are treatments and medications available that prolong life and give the patient a better quality of life. In 2006 the survival age of cystic fibrosis patients rose to the late 30’s.

In 1989 scientists discovered the cystic fibrosis gene was a mutant gene that is passed on from parent to child. Children cannot inherit cystic fibrosis if only one parent carries the mutant gene! It takes both parents to have the gene for a child to develop cystic fibrosis. For parents who each carry the mutant gene there is a 25 percent chance for having a child with cystic fibrosis and 25 percent the child will not inherit the gene. The remaining 50 percent could be a carrier but not show any symptoms of the disease.

Cystic fibrosis affects many parts of the body including the respiratory organs, reproductive organs, and the digestive system. The normal mucus that lines the passageways of bronchial tubes, lungs, and digestive organs is not think and watery.

Instead, it is thick and sticky and adheres to the passageways that lead to the respiratory, digestive, and reproductive organs. Those born with the defective gene makes this heavy mucus amasses and cause problems.

If the mucus builds up in the respiratory passages and lungs, the patient will find it harder to breathe. If it builds up in the digestive tract it will not allow essential nutrients to go through the digestive system. A man who is diagnosed with cystic fibrosis is normally sterile.

Tags: how does cystic fibrosis affect the respiratory system, digestive system.

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