The characteristic wheezing sound when breathing – a high-pitched whistling or squeaking noise – occurs when air forces its way through narrowed bronchial passages.

Bronchitis involves inflammation of the bronchial tubes, leading to symptoms like a persistent cough and difficulty clearing mucus. It can be acute, resolving within weeks, or chronic, requiring ...

Due to the dryness in the air of the cabin, humans experience a dehydration that diminishes every drop of moisture needed from out nasal and bronchial passages -- which is why our senses of taste ...

Five per cent glycerin is also present in Alevaire, to prevent evaporation of droplets, to stabilize droplet size and to assure the carrying of actual liquid droplets into the bronchial passages.