People born with cystic fibrosis (CF) face a range of serious health challenges including difficulty breathing, lung damage, poor growth, and a shorter lifespan. Currently there is no cure, but promising new medications called CFTR modulators are helping people with CF achieve improved lung function, growth, and overall health. Here Shatha Yousef, MD, a pediatric pulmonologist at Duke Health, discusses CF symptoms, long-term effects, and new treatments that are changing the lives of people with the disease.