Dr. Jeffrey S Sager MD

A cough is described as a sudden explosive exhalation of air. It is basically a body's defense mechanism to protect and clear the airways from inhaled foreign materials. People may also voluntarily or spontaneously cough. Coughs often vary and may be characterized by productive (chesty or wet) or...

Chronic Obstructive Pulmonary Disease (COPD) is a progressive disease that still does not have a cure. The World Health Organization predicts that COPD will become the fourth leading cause of death worldwide by 2030. The predominant cause for COPD is tobacco smoking. Most symptoms are irreversible,...

Although there is currently no cure for cystic fibrosis, people from all around the world are determined to change this. Organizations committed to raising funds and awareness on CF continuously work hard all year round to:...

The mucous membranes in the airways of people with cystic fibrosis produce mucus that is thick and viscous, more solid than is produced by healthy people, which leads to all sorts of problems in the patient.As anyone with CF knows, the reason the mucus thickens is because the proteins that form the...

Cystic fibrosis may be one of the most common autosomal recessive lethal diseases, but there remains much that is unknown about it. It has been established that the disease causes chronic pulmonary disease and is also capable of leading to cor pulmonale with right ventricular dysfunction, but it was...

What is Bronchitis?Bronchitis is a pulmonary disorder that occurs due to inflammation of airway lining of the lungs, resulting in respiratory distress. Bronchitis is often characterized by cough that produces thick mucus (phlegm) often yellowish-green in color, indicating an underlying infection. ...