“…However, the general aim and intent of most dietary interventions hold common features including increasing plant-based foods such as vegetables and fruits; increasing healthy fats; and reducing intake of takeaway foods, refined CHO, and SFAs from “junk” food. Plant-based foods and healthy fats contain bioactive compounds (e.g., vitamins, minerals, fiber, polyphenols, and fatty acids), which are recommended to improve metabolic pathways including inflammation, insulin resistance, mitochondrial dysfunction, and oxidative stress, all of which have been linked with lower rates of depression and metabolic conditions [ 3 , [55] , [56] , [57] , [58] ]. However, 7 of these 13 studies in our primary meta-analysis were hypocaloric, which implies that they were targeting weight loss that is known to have a positive effect on depression.…”