Inclusion Criteria:  Age 18+ English-speaking  Exclusion Criteria:  Recent (<1 year) diagnosis of major psychiatric disorders including any mood disorder, schizophrenia, or PTSD Recent (<1 year) diagnosis of eating disorder Recent (<1 year) diagnosis of metabolic or endocrine disorder or steroid or hormonal contraceptive use Pregnancy Allergy to any of the foods in the food buffet Participation in strict dieting or caloric restriction