The study seeks healthy smokers ages 21 to 65 who are not interested in quitting. Participants will use one or both products during laboratory sessions after abstaining overnight from smoking. Because of research constraints, only people living within a five-mile radius of the City of Pittsburgh will be accepted into the study. This particular study is designed to examine short-term mood effects and other responses to these products over a brief period in smokers not trying to quit permanently. It is not a cessation study, and participants will not be given these medications to help them quit.
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