Furthermore, later in the paper they reinforce this point more specifically, writing: "the cross-sectional nature of our study does not allow us to identify whether most youths are initiating smoking with conventional cigarettes and then moving on to (usually dual use of) e-cigarettes or vice versa...".

Second, the advocates want the same type of marketing and other restrictions that apply to cigarettes to apply equally to e-cigarettes. They are afraid that defining electronic cigarettes honestly might put a damper in those plans.

While there is still a lot we do not know about the exact magnitude of any long-term risks associated with electronic cigarette use, vapers should be quite reassured that after at least five years of research into the health effects of vaping, the worst that electronic cigarette opponents can say is: "Well ... they're not harmless."

3. The regulations do not ban the use of flavorings in electronic cigarettes.

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