Bronchitis is an infection of the tubes that lead to the lungs. It can be acute or chronic. Symptoms include a cough and wheezing. Smoking is a major risk factor. Find out more.

Richard Dreyfuss, beloved for his role in the film "Jaws," was forced to pull out of an appearance at a shark-themed ...

Chronic bronchitis is a serious lung disease and a type of chronic obstructive pulmonary disease (COPD). Acute. It can last one to three weeks. It's usually caused by cold or flu viruses.

Many children continue to experience respiratory symptoms up to 14 years after treatment for protracted bacterial bronchitis, ...

BACKGROUND: Fontan circulatory failure (FCF) is a chronic state in palliated single ventricle heart disease with high morbidity and mortality rates, including heart failure, multisystem end-organ ...

What is chronic rhinosinusitis with polyps? Learn about the difference between nasal polyps and sinusitis, and how to find the right treatment to ease symptoms.

Your chance of dying from a heart attack has dropped dramatically, but other deadly heart conditions are on the rise, a new study found.

WebMD's COPD Health Center provides in-depth information on chronic obstructive pulmonary disease including symptoms, causes, treatment options, diagnosis, and tests.

Chronic inflammation articles from across Nature Portfolio Chronic inflammation refers to a prolonged inflammatory response that involves a progressive change in the type of cells present at the ...

Asthma and COPD are chronic respiratory diseases that cause similar symptoms but have different causes, triggers, disease progression, and more.

A head cold happens when the symptoms affect the head, including the nose or throat. A chest cold, or acute bronchitis, happens when the airways swell and mucus builds up in the lungs.