I have actually done a lot of research on depression, and while I have found some links between refined sugars (carbohydrates in general) and depression, I have also encountered claims about the other dietary factors you mention, but no research to back it.
I have actually done a lot of research on depression, and while I have found some links between refined sugars (carbohydrates in general) and depression, I have also encountered claims about the other dietary factors you mention, but no research to back it.