To be completely honest, Trueba et al. actually found that not only did taking an exam affect nitric oxide levels, but it also produced decreases in lung function measured by spirometry. This is something that has not been observed for electronic cigarettes.

In other words, Glantz has hidden this information from the reader in the review article, even though he felt it was important enough to mention in the other article. In my opinion, this is knowing dishonesty. It is hiding critical information from the reader that would affect the reader's assessment of the validity of the study's conclusions. Moreover, the review article proceeds to do precisely what the other article argues cannot and should not be done with these studies (i.e., draw conclusions about the efficacy of e-cigarettes as smoking cessation aids).

"“There’s so much we don’t yet know about e-cigarettes,” said Douglas Tipperman, M.S.W., a public health advisor at SAMHSA. “They are not harmless. We don’t know the health impact at the individual or the population level.”

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