Shockingly, no one stopped the experiment. That includes Luther Terry. The rest of the story is that Dr. Terry, who presided over the Tuskegee Experiment from 1961 to 1965, failed to stop the study, even though penicillin had been available for the past 20 years.

For the Mayo Clinic:

In my opinion, rather than being an objective scientific review of the literature, this article is little more than a hatchet job on e-cigarettes. The authors clearly have reached a pre-determined conclusion that e-cigarettes are not helpful in smoking cessation and they stretch science beyond recognition in trying to get the published scientific evidence to support this conclusion.

The degree to which electronic cigarettes stimulate or depress overall interest in quitting is a separate and empirically answerable question. In fact, evidence from the UK indicates that the spread of electronic cigarettes has been associated with a in the desire to quit smoking at a population level.

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