The very idea that one would extrapolate from a study finding that vaping, like smoking, reduces exhaled nitric oxide levels to the conclusion that smoking may be no more hazardous than vaping in terms of its acute pulmonary effects defies scientific logic. It also shows a misunderstanding, or at least a misinterpretation of the meaning of exhaled nitric oxide findings.

"So why doesn’t the CDC include e-cigarettes among its cessation and quitting tips? “The real reason is that they don’t condone anything that looks like smoking, even if it delivers none of the smoke and even if it delivers no nicotine,” Siegel said. “It is the ideology of the smoking action that they oppose.”"

Finally, Wimmer implies that the tobacco companies are promoting electronic cigarettes as being safe: "In the absence of meaningful oversight, the tobacco industry has free rein to ." [link is from the original]

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