The main study finding was as follows: "The assessment of lung function demonstrated that neither a brief session of active e-cigarette smoking nor a 1 hour passive e-cigarette smoking session significantly interfered with normal lung function. On the other hand, acute active and passive tobacco cigarette smoking undermined lung function, as repeatedly shown in previous studies."

These studies are simply ignored by the Surgeon General's report and by my colleagues who have attacked me. It would be one thing if there were no evidence for my opinions, but it's hardly appropriate to attack an individual for expressing an opinion that is backed up by scientific studies.

Once you find the best device for your particular needs you will understand why so many people love their electronic cigarette and it made the switch. It is important that you understand electronic cigarettes are not 100% safe, but many smokers and health professionals consider them to be a and not a stop smoking product. It is up to you as a smoker to make your own decision regarding electronic cigarettes. Besides clean air, nothing you inhale in your lungs is considered totally safe.

Earlier this week, I that the 2014 Surgeon General's fails to disclose the conflicts of interest of its authors, many of whom have received money from pharmaceutical companies which manufacture the very products about which the report opines. I also how this is particularly problematic, since the report itself complains about how historically, tobacco-funded scientists failed to disclose their conflicts of interest. I concluded that the 2014 Surgeon General's report is violating the very ethical principles that it attacks the tobacco company for violating in the past, and I note that 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.

Here, they find a correlation between e-cigarette use and higher and more sustained levels of smoking. But because this is a cross-sectional study, they cannot determine which came first. In other words, what is the direction of the causal relationship? Does the e-cigarette use precede, and cause, the smoking? Or does the smoking precede, and cause, the e-cigarette use?

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