Cystic Fibrosis

The most common, fatal genetic disease in the US

Description of the Symptoms:

CF has a variety of symptoms, including very salty-tasting skin, a persistent cough and excessive appetite but poor weight gain. The "sweat test" - which measures the amount of salt in sweat - is the standard diagnostic test for those with symptoms. A high salt level indicates CF.

Cause of the Disorder:

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, sticky mucus and very salty sweat.
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