While many people do take tanks of compressed oxygen when traveling, there’s another choice. Portable oxygen concentrators (POCs) take air from the room and convert it into concentrated oxygen. Most are lightweight, compact, and unlike traditional tanks, do not need refilling.
Recommended Related to Lung Disease/Respiratory Problems
Bronchitis is a respiratory disease in which the mucus membrane in the lungs' bronchial passages becomes inflamed.
As the irritated membrane swells and grows thicker, it narrows or shuts off the tiny airways in the lungs, resulting in coughing spells that may be accompanied by phlegm and breathlessness.
The disease comes in two forms: acute (lasting from one to three weeks) and chronic (lasting at least 3 months of the year for two years in a row).
People with asthma may also have asthmatic bronchitis,...