Asthma is a chronic disease in which the airways to your lungs are always inflamed, making it very difficult to breathe. When something triggers your symptoms, the airways become even more swollen and the muscles around the airways tighten even more, causing symptoms such as coughing, wheezing, shortness of breath or chest tightness. The symptoms are typically closely related to physical activity. People with a family history of allergies and asthma are more likely to develop asthma, and also, people will asthma may also be prone to allergies. Read more about Asthma symptoms, diagnosis, triggers, treatments, and management.