Asthma is an inflammatory disease of the airways of lungs which makes breathing difficult. Symptoms of asthma appear when the lining of the airways swell and the associated muscles around the airway tighten. Common symptoms of asthma include wheezing, coughing, especially in the night, tightness in the chest, fatigue, and shortness of breath. The trigger factors for asthma are dust, excess heat, cold air, stress, and vigorous exercise. Other triggers include allergens such as certain foods, ... Read more