I doubt that the smoke levels in New Jersey parks were anything like the levels that are being experienced by the tens of thousands of the state's casino workers.

The Rest of the Story

The rest of the story is nicely summarized by Jacob Sullum in a Reason.com . He concludes:

Ironically, Stan Glantz criticized the study specifically because it examined the effect of electronic cigarettes on quitting among smokers who desired to quit. According to an in the New York Times: "Stanton A. Glantz, a professor of medicine at the University of California, San Francisco, said the study’s limitation was that it tried to measure the effect of e-cigarette use only among smokers who were trying hard to quit, not all smokers."

The results were summarized as follows:

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