Research suggests refined carbohydrate consumption is associated with an increase in depression in addition to increased weight gain.nnAccording to some studies, foods that reduce inflammation also reduce the risks of depression.nnFood changes our gut microbiome. There is a strong connection between the composition of our gut microbiome and our mood via the gut-brain axis. nnGreen leafy vegetables contain magnesium, which helps relieve anxiety. Therefore, a vegan diet rich in vegetables will positively affect your mood.