ASthma is a disease in which inflammation of the airways causes airflow into and out of the lungs to sometimes be restricted. When an asthma attack occurs, the muscles of the bronchial tree become tight and the lining of the air passages swells, reducing airflow and producing a wheezing sound, as well as an increased production of mucus. Most people with asthma have periodic wheezing that is unexpected, along with a lot of mucus. Asthma …showed first 75 words of 422 total…

…showed last 75 words of 422 total…it is. Asthmatics usually are aggravated from cold air, heartburn (or acid reflex), and exercise. Drugs to open the bronchial tubes usually relieve this. There are more serious symptoms that can occur too such as extreme color to the lips and face, difficulty breathing, sweating, increase in pulse rate, nasal flaring, coughing up blood, tightness in the chest, chest pains, and/or abnormal breathing patterns (in which brerathing out takes more time than breathing out)