Understanding Asthma: What You Need to Know Asthma isn’t just about having trouble breathing—it’s a chronic condition that affects millions of people worldwide. Whether you’re living with asthma or just curious about how it works, this guide breaks down the essentials in a clear and approachable way. What Is Asthma? Asthma is a long-term inflammation of the airways in your lungs. When you have asthma, your bronchial tubes become sensitive and react strongly to certain triggers—like allergens, cold air, or exercise. This reaction causes: Narrowing of the airways Excess mucus production Difficulty breathing You might hear a wheezing sound when you breathe out, feel tightness in your chest, or experience shortness of breath —especially during physical activity or at night. Some people have mild symptoms that come and go, while others may face sudden, severe attacks that require urgent care. Common Symptoms of Asthma Asthma symptoms can vary from person to person, but here are th...