They write:

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."

Here is where their smart chip is important:

The rest of the story is that there simply is no evidence at the current time that electronic cigarettes are serving as a gateway to youth smoking. It may actually be the case that electronic cigarettes serve as an inhibitor of smoking initiation by getting a youth used to a flavorful experience, thus making it less likely - not more likely - that the youth will move on to the harsh taste of tobacco.

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