Cystic fibrosis

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What is cystic fibrosis?
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Cystic fibrosis (CF) is a genetic condition that affects a protein in the body. People who have cystic fibrosis have a faulty protein that affects the body's cells, its tissues, and the glands that make mucus and sweat. Normal mucus is slippery and protects the airways, digestive tract, and other organs and tissues. Symptoms vary and can include cough, repeated lung infections, inability to gain weight, and fatty stools.
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