Higher food consumption, particularly of sweets, has been reported by substance-dependent persons in various stages of treatment but no investigation of substance use and actual food consumption has been conducted in non-dependent persons. Sixty-two male and female college students completed the Core Alcohol and Drug Survey and the amount of each of six snack foods (including both sweet and savory items) they consumed were measured. Participants also rated appetite before and after eating and rated the pleasantness of and desire to eat each food. Hierarchical multivariate regression revealed that, while controlling for the influence of BMI and intermeal interval, frequency and breadth of substance use significantly predicted elevated food consumption and elevated ratings of hunger and desire to eat. Furthermore, the link between breadth of drug use and food consumption was mediated by higher desire to eat and not by pleasantness of the food. The relationship between substance use and eating behavior may not be restricted only to those in recovery or treatment for persons diagnosed with substance use disorders.
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