Here, they find a correlation between e-cigarette use and higher and more sustained levels of smoking. But because this is a cross-sectional study, they cannot determine which came first. In other words, what is the direction of the causal relationship? Does the e-cigarette use precede, and cause, the smoking? Or does the smoking precede, and cause, the e-cigarette use?

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."

Facebook’s actual contains none of these, only general statements that “we may use the information we receive about you … for internal operations, including troubleshooting, data analysis, testing, research and service improvement.” and “We give your information to the people and companies that help us provide, understand and improve the services we offer. For example, we may use outside vendors to … conduct and publish research.” Neither of these comes close to a “description of the procedures to be followed” or a “description of any reasonably foreseeable risks or discomforts,” and the Data Use Policy doesn’t even attempt to offer a contact for questions or an opt-out."

First, the advocates want e-cigarettes to be taxed, and it would be easier to tax these products if they are defined as tobacco products. It's hard to turn down a revenue stream when you see one, and "anti-smoking" advocates are apparently no different. They see a nicotine-containing product that some people are using for pleasure, and they immediately want to tax it, regardless of the fact that taxing e-cigarettes will increase cigarette use and kill people by removing the economic incentive for smokers to switch from real cigarettes to e-cigarettes.

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