As I point out in the piece, the CDC is partly responsible for the backlash against e-cigarettes because it publicly concluded that e-cigarettes are a gateway to smoking:

For these reasons, I believe that electronic cigarettes are a much more viable option as a harm reduction approach for smoking cessation.

• The truth is that there are at least 10 published studies that examined the health effects of electronic cigarettes. And this doesn't even include the more than 20 studies in which the chemical constituents of electronic cigarette liquids or vapor have been analyzed using gas chromatography/mass spectrometry.

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