There are roughly 225,000 new cases of lung cancer every year in the United States. Early diagnosis and treatment play a large role in improving outcomes. A recently developed nasal swab test could ...
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 ...
The body produces mucus, also known as phlegm or sputum, to protect sensitive tissues in the airways. Changes in the sputum color, thickness, or quantity of phlegm may indicate a health problem, such ...
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