What Is Idiopathic Pulmonary Fibrosis (IPF)? Supplement What Is Idiopathic Pulmonary Fibrosis (IPF)? Jefferey Metcalfe May 8, 2023 Idiopathic pulmonary fibrosis is an uncommon and frequently fatal lung disease that’s difficult to diagnose. More research—and... Read More Read more about What Is Idiopathic Pulmonary Fibrosis (IPF)?