Hopefully, Dr. Foulds and his group will next repeat the study using a sample of dual users (electronic cigarettes and regular cigarettes) to determine whether or not dual users experience a similar reduction in their overall level of smoking addiction.

While the attacks were mostly personal, and not worthy of expounding here, the shred of substance was that more recent studies which compared lung cancer risks of successive cohorts of smokers have found increased risk among more recent cohorts. From these studies, the Surgeon General's report - and these co-authors - conclude that filters must convey an increased risk of cancer.

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