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Stress- and cue-induced cigarette craving: effects of a family history of smoking.

Colamussi L, Bovbjerg DH, Erblich J

Department of International Health, Disease Prevention and Control, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD 21205, USA.

Individuals with multiple smokers among first-degree relatives (FH+) are significantly more likely to be persistent smokers themselves. The mechanisms underlying this relationship are unknown. An independent line of research has suggested that persistent smoking is more common among smokers with heightened levels of cigarette craving after being exposed to smoking cues and stressors. The present study experimentally tested the hypothesis that FH+ smokers would exhibit stronger stress- and cue-induced craving reactions compared to FH- smokers. We also explored gender and ethnicity-related differences in these effects. To that end, 160 smokers were recruited by advertisement and exposed to neutral (changing a light bulb), stressful (dental work), and smoking (lighting up after a meal) situations, using script-guided imagery under controlled laboratory conditions. Participants completed craving questionnaires before and after each condition. Supporting the hypotheses, even after controlling smoking history and strength of habit, FH+ smokers (n=86) displayed stronger craving reactions to both dental and smoking imagery (p's<0.05) than FH- smokers (n=74). Interestingly, women had higher stress-, but not smoking cue-induced cravings, than men, with FH+ women exhibiting the highest levels of stress-induced craving. Findings suggest a mechanism through which a family history of smoking leads to poorer cessation success, especially among women.

Published 2 April 2007 in Drug Alcohol Depend, 88(2): 251-8.
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