A lucky few stay healthy despite carrying genetic defects linked to serious diseases. What protects them? Leigh Wells/Getty Images/Ikon Images hide caption
cystic fibrosis
Erin Moore is collecting data to help her son's doctors make decisions about his cystic fibrosis care. Courtesy of the Moore family hide caption
Brent Hendricks visited StoryCorps in Atlanta with his mother, Barbara. StoryCorps hide caption
Kalydeco is one of the first drugs that is effective at combating the root causes of a genetic disease. Vertex Pharmaceuticals Inc. hide caption