One of the basic ethical principles of public health is transparency. It is our responsibility to be forthright with the public about the basis of our opinions about public policy, not to merely express our support or opposition for those policies.

In other words, despite acknowledging that they cannot tell from their study whether e-cigarette use precedes smoking or whether smoking precedes e-cigarette use, they nonetheless draw the conclusion that e-cigarette use precedes smoking.

Now, if those 100 resistant smokers were then followed for six months, we would expect that very few of them would quit smoking because all of them had already tried e-cigarettes and failed.

Should it be funded by smokers?

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