3. CDC web site

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.

(JonathanFoulds PhD, Susan Veldheer MS RD, Jessica Yingst, Shari Hrabovsky RN MSN. Comparison of dependence on electroniccigarettes and regular cigarettes in a large sample of e-cig users. PennState University College of Medicine, Department of Public Health Sciences,Hershey, PA.)

Adding to the long list of tobacco control practitioners who have publicly declared that smoking may be no more harmful than vaping - which involves no tobacco and no combustion - a South Carolina respiratory therapist is telling patients that they should not quit smoking using electronic cigarettes because these devices may be more dangerous than tobacco cigarettes, which kills more than 400,000 Americans each year.

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