Plenty of depressed patients HAVE omega-3 fatty acid deficiency.
Brain cells are coated with fats and need omega-3 fatty acids. Brain cell receptors process serotonin, the hormone that may help regulate our sense of well being.
For “persistent depression,” one gram of EPA daily significantly helps reduce depressive symptoms. If depressed patients followed the EPA protocol for two months — adding ample amounts of vitamin D3 and B vitamins (especially B-12) — you would probably feel better.