Bronchitis happens when your bronchial tubes become swollen and inflamed. Your bronchial tubes are responsible for delivering air from your windpipe to your lungs. Bronchitis makes it harder for air ...

Acute bronchitis often clears up on its own with rest and over-the-counter remedies. However, chronic bronchitis may require medical intervention to manage symptoms and prevent lung damage. Medical ...

A man who looks older than his 43 years walks into the clinic. A cigarette smoker, he made a same-day appointment because of a 5-day history of cough. The cough was initially dry and mild, but upon ...