The CDC is even worse. It actually acknowledges the existence of these former smokers, but still argues that there is no evidence that electronic cigarettes have helped any smokers quit.

The Business Standard and Medical Xpress reporters were not the only ones to get this message from the study and its authors. According to an on the CBS Atlanta web site: "Exposure to surfaces and objects that have been saturated in cigarette smoke, labeled as “third-hand smoke,” may be as deadly as smoking the cigarette itself."

Even if e-cigarette vapor shows some toxicity in cell culture studies, how does that demonstrate that vaping is more harmful than smoking?

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