Coughing Concept as a Common Cough Problem

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Keywords: breathing, common, complication, complications, concept, conceptual, contagious, cough, coughing, cure, cures, difficulty, education, exhalation, illness, infection, irritant, irritants, irritation, lung, particle, particles, persistent, problem, problems, remedies, remedy, research, science, smoking, sore, symptom, symptoms, throat, tuberculosis, whooping