5. In 2009, Senator Rockefeller sponsored and supported legislation that protected menthol cigarettes by exempting them from the flavored cigarette ban in the Family Smoking Prevention and Tobacco Control Act.

Similar data from the U.S. would be very helpful. But unlike prior reports, these ones should quantify not only experimentation, but also regular use, stratified by prior status as smokers versus nonsmokers.

This research violates basic ethical standards of informed consent for two reasons:

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?

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