Asthma is a chronic inflammatory disease of the airway that causes, shortness of breath, tightness in the chest, coughing and, wheezing. These symptoms can range from mild to severe and can be brought on by a variety of stimuli. The cause of asthma is not known, and currently, there is no cure. However, there are many things you can do so you can live symptom-free. For more information on managing your asthma please visit Asthma Canada