24. Severe binge eating disorder, as defined as a Binge Eating Scale score of 27 or more. Individuals with scores of 18-26, which may be indicative of moderate eating disturbances, will be evaluated further to determine whether moderate to severe eating pathology actually exists. This evaluation process will be based on the DSMIVresearch criteria for binge eating disorder. Individuals with scores of 18-26 who meet the DSM-IV research criteria for binge eating disorder will be excluded, whereas those without significant eating pathology may be included in the study.