My point is that this appears to be a deliberate attempt to mislead the public. It is not consistent with just being a mistake, an issue of a differing interpretation of study results, or a lack of awareness of the study limitations.

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...".

E. Announced regulations on electronic cigarettes that carve out a special regulatory category for these products that encourages e-cigarette use over tobacco cigarette use.

Instead, I think that studies which specifically compare lung cancer risk between lifelong smokers of filtered vs. non-filtered cigarettes during the same time period are most informative regarding the relative cancer risks of these products. And multiple studies along these lines, including recent studies, have reported a slightly decreased risk associated with lifetime smoking of filtered vs. non-filtered cigarettes.

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