To be valid, the study needs to examine e-cigarette smokers who have not tried these products before and are trying them for the first time in an attempt to quit smoking. Otherwise, the study cannot truly claim to draw conclusions about how helpful e-cigarettes are for smoking cessation among cancer patients.

5. In the past, "Dr. Fiore has for, given lectures sponsored by, or has conducted research sponsored by Ciba-Geigy, SmithKline Beecham, Lederle Laboratories, McNeil Consumer Products, Elan Pharmaceutical, Pharmacia, and Glaxo Wellcome."

2. Precisely coincident with the rise in electronic cigarette use in the UK has been a significant increase in quit smoking attempts.

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