Copd -

Symptoms often develop gradually and may be mistaken for a "smoker's cough" until the disease is advanced. Chronic Obstructive Pulmonary Disease - StatPearls - NCBI

Chronic obstructive pulmonary disease (COPD) is a progressive, inflammatory lung condition that restricts airflow and makes breathing difficult. It is the third leading cause of death worldwide. Symptoms often develop gradually and may be mistaken

Long-term inflammation of the bronchi, often characterized by a persistent, productive cough with mucus. often characterized by a persistent

COPD typically manifests through two primary conditions that often occur together: Symptoms often develop gradually and may be mistaken