The State of Asthma Infections in United State (1742 words, 3 pages)
AsthmaAsthma is a lung disease that affects approximately ten million people in the United States. (Cramer 2) In people with asthma, the airways of the lungs are hypersensitive to irritants such as cigarette smoke or allergens. When these irritants are inhaled, the airways react by constricting, or narrowing. Some people ...
Read More