NEwhere also a tobacco researcher, a fellow named Michael Siegel, as stating that: "the levels of exposure of E Cigs are either 'well below that of cigarette smoking' in those chemicals that are present, or, more generally electronic cigarette use 'reduces the user's exposure to a wide range of chemicals in tobacco smoke.'" Thus, NEwhere is not stating that electronic cigarettes are absolutely safe, only that they are less hazardous than tobacco cigarettes.

From a public health perspective, the effectiveness of e-cigarettes for smoking cessation must be assessed by examining how effective the product is for smokers who are trying to quit. When you do that properly, this initial evidence suggests that you find out e-cigarettes are a viable smoking cessation aid for a subset of smokers.

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