Though less well known than emphysema, there are 14 million adult Americans that suffer from chronic bronchitis, which is the ninth-ranking chronic condition in our nation.

Like emphysema, many who suffer from it are subject to periodic attacks of obstructed breathing, when airways of the lungs become inflamed and clogged with mucus, often in response to environmental irritants.

Early symptoms include inflammation,  shortness of breath (dyspnea), Hypoxemia, fatigue, low SaO2,, low synthesis of nasal nitric oxide and coughing