Chest Injuries First Aid Treatment

Asthma is a chronic inflammatory disease of the airways that causes airway obstruction and hyper-responsiveness, mucosal edema and mucus production. The inflammation ultimately leads to recurrent episodes of asthma symptoms; cough, chest tightness, wheezing and dyspnea. Asthma differs from other obstructive lung diseases in that it is largely reversible, either spontaneously or with active treatment. […]