For the Mayo Clinic:

In summary, the rules state:

Unfortunately, the 2014 Surgeon General's report has left readers unaware of possible industry influences, as it has failed to disclose the pharmaceutical industry ties of many of its authors. And it is not difficult to estimate the extent to which pharmaceutical industry-generated research activities have influenced scientific thinking regarding the effects of smoking cessation drugs and nicotine's therapeutic (cessation) applications.

The weakness of the scientific argumentation of those opposed to electronic cigarettes demonstrates that in 2014, there simply is not much of a scientific argument to fall back on in opposing this innovation. The science isn't going to do it, so opponents have to rely on trite and meaningless assertions like:

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