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Study suggests uncertainty in e-cigarettes' usefulness for quitting smoking
An analysis of data from a previous study of more than 1,350 smokers intending to quit after a hospitalization found that those who reported using electronic cigarettes (e-cigarettes) during the study period were less likely to have successfully quit smoking 6 months after entering the study. The authors caution, however, that because of the study's design, it cannot support the conclusion that e-cigarettes are not useful smoking cessation aids and stress the need for further investigation of that question.