Pneumothorax is a pulmonary condition in which air accumulates around the lungs. Specifically, air accumulates between the pleura–thin membranes that line the lungs and inside…

Breathing is the act of inhaling oxygen and exhaling carbon dioxide. Chest movement during breathing helps move air into the alveoli (air sacs) within the…

Influenza is a contagious virus that infects the thin lining of the respiratory tract. Influenza virus infection (“flu”) can cause fever, headache, fatigue, and muscle…

Breathing is the act of inhaling oxygen and exhaling carbon dioxide. During inhalation, the diaphragm contracts and moves downward. This increases the amount of space…

Lung cancer is a disease than originates in the cells of central or peripheral lung tissue. The most common type of lung cancer is non-small…

Sinusitis is an infection characterized by inflammation of and excess mucus production in the paranasal sinuses. Sinusitis typically results from a bacterial or viral infection…

Bronchiectasis is a relatively uncommon condition that affects the lungs characterized by inflamed airways, excess mucus, and airflow obstruction. Bronchiectasis develops when the body is…

Stage II lung tumors may be larger than those in stage I. Additional tumors may appear on the primary bronchus of the affected side. Stage…

When you breathe, your lungs take in oxygen from the air and deliver it to the bloodstream. The cells in your body need oxygen to…

Bronchiectasis is a relatively uncommon condition that affects the lungs characterized by inflamed airways, excess mucus, and airflow obstruction. Bronchiectasis develops when the body is…