Today, I discuss the reasons why hiding a conflict of interest like this is problematic.

Prior to this study, the most significant health concern regarding passive vaping was the possibility of exposure to carcinogenic and toxic aldehydes and pyrolysis products including formaldehyde, acrolein, and acetone. However, this study found no increase in concentrations of any of these pollutants under realistic (real-life) conditions.

Question: Of these five studies, how many examined the rate of smoking cessation among smokers who were trying to quit using electronic cigarettes?

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