The study finds that e-cigarette use is associated with smoking status. In addition, e-cigarette use is associated with heavier smoking and with fewer periods of smoking abstinence.

In order to introduce a new electronic cigarette product to the market, the manufacturer will have to demonstrate that the product is beneficial to the public's health. This does not simply mean that one must demonstrate that the product is safer than cigarettes. The applicant also needs to show that the introduction of the product into the market will not deter smokers from quitting or encourage youth to start using the product. At the present time, there is a substantial body of opinion among tobacco control experts that electronic cigarettes do not reduce population risk. Therefore, how can we expect that a manufacturer could demonstrate, at the level of proof required, something which most tobacco control experts do not even agree with?

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