Mucus is a substance that lines the moist surfaces of your body, like your lungs and sinuses, and helps your body fight illness. Experts say it’s better to spit out excess mucus when you’re ...

Phlegm, which the lungs produce, is very similar to mucus and may also indicate a health issue. A person will often cough up phlegm when viruses, bacteria, or unwanted — possibly cancerous ...

The firm will develop an assay to detect and monitor Pseudomonas aeruginosa infection in patients with cystic fibrosis.

Doctors extracted “copious” amounts of mucus from his lungs during two bronchoscopies, in which a camera-tipped tube was sent down into his airways with a sucker at the tip to suction out fluid.

He had to resume using the mask on Monday after suffering two respiratory crises that required doctors to extract “copious” amounts of mucus from his lungs. Doctors performed two ...

In a late update on Monday, the Vatican said the episodes were caused by a “significant accumulation” of mucus in his lungs and bronchial spasms. “Two bronchoscopies were performed with the ...