2. "The cross-sectional nature of our study does not allow us to identify whether most youths are initiating smoking with conventional cigarettes and then moving on to (usually dual use of) e-cigarettes or vice versa...".

On his wonderful science and advocacy , tobacco control practitioner and former director of Action on Smoking and Health (ASH-UK) Clive Bates issues a : an open letter to Stan Glantz urging him to discontinue the misrepresentation of his research to spread false and unsupported information about electronic cigarettes being a gateway to cigarette smoking.

Which of the following historic, first-time ever, unprecedented actions did the FDA take in order to ensure its protection of the nation's public health from the hazards of cigarette smoking?

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