Asthma is a lung disease that is also known as “hyper-active airways.” There has been an epidemic rise in the incidence of asthma cases. Since 1980 the number of deaths from asthma have risen lately too (over 5000 people, mostly children and young adults). Asthma affects 10-12% of all children under 18 in the US.
During an asthma attack spasms or constrictions in the small airways (bronchi) of the lings impede the passage of air. This is described as wheezing. Other symptoms include coughing and chest pain or tightness. The spasms