Abstract
Habitual cigarette smokers generally have lower body weights than comparably aged nonsmokers. Habitual smokers who abstain from smoking often increase in body weight. Both psychological and physiological explanations may account for this phenomenon. In the literature, there is no convincing research reason to prefer any of the alternatives. The effects of nicotine and cigarette smoking on food consumption and taste preferences were examined in rats and humans. For both species, nicotine administration/cigarette smoking was accompanied by a decreased consumption of sweet-tasting high caloric foods. Consumption of other foods did not change. These findings may explain the changes in body weight which accompany cigarette smoking.