cigarette tar in lungs Human severely damaged by smoking, showing buildup, cancerous tissue Smokers Lungs Often Gray Black

Smokers Lungs Often Gray Black Due When Smoke Turns Breathing into Slow Destruction Smoking damages the lungs from the very first puff. Toxic chemicals in cigarette smoke burn and irritate the delicate lining of the airways, causing inflammation How the lungs change due to smoking Section Of Human Smoker's Lung Showing Tar by James Stevenson Science Photo Library A Year's Worth of Tar 1005578 W43043 79120 Tobacco Charts and Posters Nicotine Education Tobacco Training Models Nicotine Training Models Smoking Eduction

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