If this study leads some smokers to smoke inside because they believe the researchers, who say that thirdhand smoke is no less harmful than secondhand smoke, then this could lead to serious public health harm to children.

3. The regulations require pre-approval or substantial equivalence determinations of almost all existing electronic cigarette products.

Therefore, their use of these studies to draw conclusions about the efficacy of e-cigarettes for smoking cessation appears to me to be knowingly dishonest.

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