Chronic Bronchitis
What is chronic bronchitis? Chronic, or long-term, bronchitis is a condition where the mucous membranes lining your bronchial tubes (which carry air to and from your lungs) swell and thicken due to constant, long-term irritation. The mucous membrane is the moist lining that protects and lubricates many tissues throughout the…
Categories: Common Diseases & Illnesses