1. The document discusses guidelines from the Global Initiative for Asthma (GINA) for diagnosing and managing asthma.
2. Asthma is defined as a chronic inflammatory disease characterized by variable respiratory symptoms and airflow limitation. It affects 300 million people worldwide.
3. GINA recommends a stepwise approach to asthma treatment based on symptom control and exacerbation risk. Treatment includes inhaled corticosteroids, long-acting beta-agonists, and leukotriene modifiers. The goal is to control symptoms and reduce future risk.