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J Consult Clin Psychol. 1996 Aug;64(4):799-807.

Nicotine gum dose and weight gain after smoking cessation.

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School of Dental Medicine, Harvard University, Boston, Massachusetts, USA.


The authors examined weight gain in 79 abstinent cigarette smokers during treatment with placebo or with 2 mg or 4 mg of nicotine gum. Results indicated that nicotine gum suppressed weight gain in a linear fashion with increasing nicotine dose. At 90 days postcessation, placebo gum users gained 3.7 kg, 2-mg gum users gained 2.1 kg, and 4-mg gum users gained 1.7 kg. Assessment of nicotine replacement by means of pre- and postcessation salivary continue levels revealed that smokers who replaced a greater percentage of their baseline continue levels during treatment gained less weight. Percentage of baseline cotinine replaced remained related to weight gain after the number of pieces of gum used was controlled. Implications for smokers hoping to minimize postcessation weight gain are discussed.

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