Second-Hand and Third-Hand Smoke as Deadly as First-Hand Smoke

While it is a well-known fact that second-hand smoke is harmful, a new study conducted by a University of California researcher suggests that both second-hand and third-hand smoke are as deadly as first-hand smoke. While first-hand smoke refers to the smoke inhaled by a smoker and second-hand smoke to the exhaled smoke and other substances emanating from the burning cigarette that can get inhaled by others, third-hand smoke is the second-hand smoke that gets left ...

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Written by: editor - Friday, January 31, 2014