Asthma is one of the major noncommunicable diseases. It is a chronic disease of the the air passages of the lungs which inflames and narrows. Asthma is a chronic (long-term) disease that causes inflammation and narrowing of the airways. Some degree of inflammation is usually present, even at times. Asthma is a chronic, or long-term, condition that intermittently inflames and narrows the airways in the lungs. The inflammation makes the.