Elevated sputum azurocidin-1 levels correlate with worsening lung function and increased exacerbation frequency in patients with bronchiectasis.

Stanford University scientists have implicated a logjam of three long, stringy substances behind deadly thick sputum in COVID-19 patients who need a machine to help them breathe. One of these ...

Lung cancer is the leading cause of cancer mortality rate worldwide, mainly because of the presence of metastatic disease at the time of diagnosis. Early detection of lung cancer improves prognosis, ...

In a meta-analysis, researchers found that sputum was more accurate than nasopharyngeal or oropharyngeal swabs. The study also shows early testing increased rates of COVID-19 diagnosis. Early and ...

Chronic obstructive pulmonary disease (COPD) is characterized by chronic bronchitic and emphysematous components. In one biophysical model, the concentration of mucin on the airway surfaces is ...

Mucin concentrations are abnormally raised in each of the four muco-obstructive diseases — COPD, cystic fibrosis, primary ciliary dyskinesia, and non–cystic fibrosis bronchiectasis — and these ...

NEW YORK (Reuters Health) - Confirming widespread beliefs by doctors and parents alike, the color of phlegm coughed up by people is indeed a good indicator of whether that person has a bacterial ...

Healthy phlegm is usually clear and runny, but many different health conditions can change the consistency or color. Phlegm, also called sputum, is mucus produced by your lungs that helps protect your ...

In 1821, French physician René Laennec wrote, "A spitting pot I consider as an essential part of the bedroom apparatus." Laennec, who invented the stethoscope, spent his days gazing at his patients' ...