This document discusses COPD (chronic obstructive pulmonary disease). It defines COPD and notes that cigarette smoking is the primary cause. It discusses the burden of COPD globally in terms of prevalence, mortality, and economic costs. The document outlines the GOLD classification system for COPD severity. It covers assessing and monitoring COPD, reducing risk factors like smoking, managing stable COPD through education and treatment, and managing acute exacerbations through home management and hospital admission if needed. It emphasizes the importance of quality of life for COPD patients.