This is particularly disturbing, as five years have passed and numerous studies have been published since the FDA originally told the public that cigarette smoking may be than using non-tobacco, non-combusted electronic cigarettes.

The Rest of the Story

"The vast majority of people who smoke them now also smoke conventional cigarettes, he [Stan Glantz] said, and there is little evidence that much switching is happening. E-cigarettes may even prolong the habit, he said, by offering a dose of nicotine at times when getting one from a traditional cigarette is inconvenient or illegal."

Some of the most important conclusions in epidemiologic research have come not from large case-control or cohort studies or clinical trials, but from case studies or case series, or as Dr. Frieden would say, "anecdotes."

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