If the FDA is not sure that removing all of the carcinogens from cigarettes - and reducing their concentrations to no more than trace levels - is going to make "smoking" safer (even forgetting the fact that there is no smoke and no combustion associated with vaping), then one has to ask whether the FDA is basing its positions only on science, and not on any political or ideological concerns.

Is this really the way we want our federal health agencies to treat cigarettes? As a product that is of such little concern that it may be no more harmful than the combination of nicotine and propylene glycol in an electronic cigarette?

2. The subjects did not provide informed consent for their participation in the research.

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