Chronic bronchitis is a chronic inflammation of the bronchi (medium-size airways) in the lungs. It is generally considered one of the two forms of chronic obstructive pulmonary disease (COPD), the other being emphysema. It is defined clinically as a persistent cough that produces sputum (phlegm) and mucus, for at least three months per year in two consecutive years.
Read more about Chronic Bronchitis: Signs and Symptoms, Causes, Diagnosis, Treatment, Acute Exacerbations
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“Ants are the only creatures on earth, other than man, who make war. They campaign, they are chronic aggressors, and they make slave laborers of the captives they don’t kill.”
—Ted Sherdeman, and Gordon Douglas. Dr. Medford (Edmund Gwenn)
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