COPD Causes and Risk Factors | American Association

cop4dVolume 12, Issue 2 - 2025. Chronic Obstructive Pulmonary Diseases: of the COPD Foundation is an open access, peer-reviewed medicalscientific dedicated to publishingChronic obstructive pulmonary disease (COPD) is estimated to affect 32 million persons in the United States and is the third leading cause of death in this country. Patients typically have