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Cough

A cough is a protective airway reflex that expels irritants and mucus, yet persistent coughing often signals underlying respiratory pathology requiring clinical assessment. Frequent causes include viral upper respiratory infections, postnasal drip, asthma, gastroesophageal reflux disease, and chronic obstructive pulmonary disease. Acute …

7 articles
Early Signs of Lung Cancer
Cough

Early Signs of Lung Cancer

Recognize the early symptoms of lung cancer, including persistent cough and shortness of breath. Learn when to seek medical advice for earl…

Apr 14, 2026
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General information only — not medical advice. Always consult a qualified healthcare professional about your own situation.