Cystic Fibrosis — Causes, Symptoms & Treatment Guide
Cystic fibrosis affects 100,000 people worldwide due to CFTR gene mutations causing thick mucus in lungs and pancreas. Elexacaftor-tezacaftor-ivacaftor (Trikafta) transforms outcomes for 90% of patients. Median survival now exceeds 50 years in high-income countries.