Instead, these advocates argued that surveys are the best way to study the potential benefits of e-cigarettes. Surveys measure the real-life situation of how e-cigarettes and vapor products are actually used.

The rest of the story is that the 2014 Surgeon General's report is violating the very ethical principles that it attacks the tobacco company for violating in the past. While there has been substantial progress in the past 50 years in the area of disclosure of conflicts of interest, somehow that progress has evaded the producers of the Surgeon General's report itself.

"It should be emphasized that neither of these studies was designed to capture a representative sample of all vapers. Instead they focus on the most enthusiastic among them, whom you would expect to have had especially satisfying experiences with e-cigarettes. The high success rates in these surveys therefore are unlikely to be seen among the broader group of smokers who try to quit with e-cigarettes, let alone among smokers who merely try the product out. But these surveys do indicate that e-cigarettes have helped many smokers quit."

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