Thus, the authors readily acknowledge that it is impossible from this study to determine whether or not e-cigarettes lead to smoking or whether smoking leads to e-cigarette experimentation.

In their to this response, the authors of the study clarify their reasoning for attacking the cigarette companies, even though they merely complied with the law:

My argument was echoed in a to the article by Steven Pinkerton, a public health researcher from the Medical College of Wisconsin, who pointed out that: "the major tobacco companies demonstrated 100% compliance with the law by eliminating all terms specified in the FSPTCA [Family Smoking Prevention and Tobacco Control Act]--the use of colour terms to designate sub-brands is not regulated by the FSPTCA."

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