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.

6. Regulation of heating temperature and protection against overheating and dry puffs.

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