Then a few months later another study comes out, probably in just as reputable a journal, saying that the evidence suggests no such link.

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Preliminary quitting rates are due out later this year from its study of 63 smokers who were injected with the vaccine.

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There was a study carried out recently that looked at the potential savings of acting sooner rather than later.

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The study will be published in the next issue of the Administrative Science Quarterly, due out later this month.

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