Levels of procalcitonin, the precursor of the hormone calcitonin, are higher in samples of coughed-up mucus from people with bronchiectasis during episodes of acute flare-ups. These findings suggest procalcitonin as a promising sputum biomarker that can help physicians monitor and manage patients with the disease, researchers said. The study, “Sputum procalcitonin levels in patients admitted to hospital with acute exacerbations of bronchiectasis,” was published in the journal Health Science Reports and conducted by researchers in…

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