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Health effects of smoking tobacco Wikipedia Smokers vs Normal Lungs: How Smoking Damages Lung Health Smoking and its effect on the breathing system Side Effects of Smoking, It affects more than just the lungs., Damages airways and reduces oxygen exchange., Carbon monoxide lowers oxygen in blood., Nicotine raises heart rate and blood pressure., Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC Have you ever seen what smoking actually does to the lungs? Healthy lungs are designed for efficient oxygen exchange, with intact air sacs, clear airways, and active cilia that help keep them

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