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Close to 40,000 people in the U.S. have cystic fibrosis, a rare genetic disease. The majority of people with CF are diagnosed by age 2 thanks to newborn screening tests. If you have CF or are considering testing for it, knowing about the role of genetics in CF can help you make decisions about your health care.
Cystic fibrosis is caused by mutations in both copies of the cystic fibrosis transmembrane conductance regulator (CFTR) gene. Scientists are examining whether it is possible to correct the mutations through a process called gene editing.
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