Caffeine's Influence on Nicotine's Effects in Nonsmokers
Authors: Blank, Melissa D.; Kleykamp, Bethea A.; Jennings, Janine M.; Eissenberg, Thomas
Source: American Journal of Health Behavior, Volume 31, Number 5, September 2007 , pp. 473-483(11)
Publisher: PNG Publications
Abstract:Objective : To determine if nicotine's effects are influenced by caffeine in nonsmoking, moderate-caffeine consuming individuals (N=20).
Methods : The first 3 sessions included one of 3 randomly ordered, double-blind caffeine doses (0, 75, or 150 mg, oral [po]) and 2 single-blind nicotine gum doses (2 and 4 mg) in ascending order. The fourth session (single blind) repeated the 0 mg caffeine condition.
Results : Nicotine increased heart rate and subjective ratings indicative of aversive effects, and decreased reaction times. These effects were independent of caffeine dose and reliable across sessions.
Conclusions : In nonsmokers, nicotine effects are not influenced by moderate caffeine doses.
Document Type: Research Article
Publication date: September 1, 2007
- The American Journal of Health Behavior seeks to improve the quality of life through multidisciplinary health efforts in fostering a better understanding of the multidimensional nature of both individuals and social systems as they relate to health behaviors.
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