Bronchitis is a respiratory illness that occurs when the airways leading into your lungs get irritated, Nagata explains, which leads to the swelling and mucus buildup that causes difficulty breathing.

Bronchitis refers to inflammation in the small airways in the lungs. When the airways get inflamed, they produce mucus. Mucus helps the body flush out what it thinks is an infection, but it can ...

Feeling tired or exhausted is common, as your body fights inflammation and struggles to breathe properly due to restricted airways.

Mucus is the body’s natural moisturizer and ... Brown: This may be a sign of a more severe infection like bronchitis or pneumonia. It is also common during colder seasons (when the air in ...

Pope Francis, hospitalized for more than two weeks with pneumonia in both lungs, suffered two acute respiratory failures, ...

Obstructive lung diseases include asthma and chronic bronchitis, diseases that often cause thick mucus buildup along the lungs’ air sacs. Pulmonary vascular lung diseases, which include ...

The Vatican said that Monday’s episodes were caused by a significant accumulation of mucus in his bronchial ... was admitted to the hospital with bronchitis on Feb. 14, and later was diagnosed ...

Chronic obstructive pulmonary disease (COPD) is among the most common breathing conditions. It's the result of damaged lung tissue.