The rest of the story is that the review article's authors have actually acknowledged that the 5 studies they use to draw conclusions about the efficacy of e-cigarettes for smoking cessation cannot be used to draw conclusions about the efficacy of e-cigarettes for smoking cessation.

In fact, this is precisely the way some are interpreting these findings. One on the study is entitled: "Think smoking outdoors always protects others? This study suggests not."

According to a from the American College of Chest Physicians: "Experts from the world’s leading lung organizations have released a on electronic cigarettes, focusing on their potential adverse effects on human health and calling on governments to ban or restrict their use until their health impacts are better known."

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