For these reasons, I believe that electronic cigarettes are a much more viable option as a harm reduction approach for smoking cessation.

the current e-cigarettes on the market operate with ‘no tobacco, smoke, or combustion’ [3]. Furthermore, although traces of tobacco-specific nitrosamines (TSNAs) have been found in some e-cigarettes, similar traces of TSNAs are present in licensed NRTs [4–7]. This mislabelling is exacerbated by national and international regulations including e-cigarettes in their tobacco regulations or proposing to do so."

There is a provision for of informed consent; however, the conditions for such a waiver were not met because: (1) the level of risk was not minimal; (2) the waiver did affect the rights and welfare of the subjects; (3) the research could still practicably have been carried out with informed consent; (4) subjects were not provided with information after the study to explain what occurred.

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