While neither of the researchers could be reached for comment, sources familiar with their work told the Rest of the Story that these authors do not feel their historical funding by Big Tobacco and consulting for Big Tobacco needs to be disclosed because it occurred more than 36 months ago.

"Anti-smoking advocates have become so used to demonizing smoking and so afraid of giving an inch that they are waging a war against a practice that is actually accomplishing the goal of reducing or eliminating people's smoking. They should know better than most that a tool that may help millions of people stop smoking cigarettes should be celebrated and embraced -- not restricted and stigmatized."

Late last month, the University of Michigan released the results of the 2013 , a national study of youths in grades 8, 10, and 12. Despite the CDC's sirens about how e-cigarettes are leading to an increase in youth smoking, the data show that youth smoking rates reached a record low in 2013.

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