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However, people with COPD who quit smoking often live longer than those who continue smoking because quitting slows lung damage and reduces the risk of heart disease and infections

Re-posted with permission: source.

Other research, however, suggests vaping may reduce lung capacity, and the German Cancer Research Center said last month it was concerned e-cigarette liquids contained ingredients that can irritate the airways, while poor quality products could contain carcinogens

When a Smell Points to a Bigger Mechanical Problem Some odors are less about cleanliness and more about mechanical failure

Arnett DK, Blumenthal RS, Albert MA, et al

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