The effects of negative and positive mood induction on eating behaviour: A meta-analysis of laboratory studies in the healthy population and eating and weight disorders

These findings support the causal relationship between negative mood and greater food intake, especially in restrained eaters and binge eaters. Preliminary evidence indicates that strategies to improve positive mood might be of benefit for people with anorexia nervosa and bulimia nervosa, although the size of the effect across a single meal is small.