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[Psychological aspects of emotional regulation in smoking dependency].

We reviewed the literature on the relationships between smoking and affect regulation. There is strong evidence that vulnerability to smoking dependence is a function of a high initial sensitivity to nicotine, which produces reinforcing consequences that lead to chronic use. These strong reinforcers of tobacco dependence include regulation of mood and modulation of arousal. We focused on studies concerned with the subjective component of arousal and emotional experience. We discuss first the models and classifications used to differentiate types of smoking as related to the management of emotions and studies evaluating the stimulant and subjective effects of smoking behavior, questioning the paradoxical tranquilizing and anxiety-reducing effects of nicotine. We also looked into the mood regulation effects that may explain the strong relationships observed between depression and smoking and finally focus on some of the personality risk factors that may make individuals more susceptible to these rewarding properties of smoking.