Explain what causes cystic fibrosis and describe its effects on the body

Cause-A defect in the CFTR gene causes cystic fibrosis (CF). This gene makes a protein that controls the movement of salt and water in and out of your body's cells. In people who have CF, the gene makes a protein that doesn't work well. This causes thick, stickymucus and very salty sweat.


Effects---Cystic fibrosis affects the cells that produce mucus, sweat, and digestive juices. It causes these fluids to become thick and sticky. They then plug up tubes, ducts, and passageways.Symptoms vary and can include cough, repeated lung infections, inability to gain weight, and fatty stools.

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