Speaking Of: Asthma

acute aerosol agents airways allergens allergy alveoli amounts animal appear associated asthma attack asthmatic patient avoid become begin blood body breathing breathlessness bronchi bronchial muscles bronchial system broncho-dilating capacity carbon dioxide cause cells child chronic completely condition constriction cortisone cough cure danger develop develop asthma difficult discussed disease drugs dust earlier easily effect example exercises exhalation experience factors frequently function further hay fever healthy heart hyperventilation hyposensitization important increased industry infection inhaled intervals kind lead less longer lumina lung measures membrane mentioned methods mucus narrowing nerve night nose oxygen particularly pass performed person physical physician play pollen possible precipitate prevent problems produced pulmonary quickly reason resistance respiratory result role severe shows side effects simply skin sometimes substances suffer symptoms tablets treated treatment tubes usually vagus