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Biology Notes for A level: #53 Summary of Smoking Smoker's cough: Symptoms, causes, and home remedies Smoking can seriously damage your lungs. It causes mucus buildup, tar deposits, and inflammation, making the lungs larger than normal and harder to function. Healthy lungs are pink, clean, and inflammation free. Don't What is Tar from Smoking? Why Is My Mucus Brown? Quit smoking and reclaim your life The Daily Star
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