>Patients with depression have been found to have lower blood omega-3 fatty acids than non-depressed people. >The importance of omega-3 fats to brain health cannot be overstated: they are involved in brain development, mood and cognitive function from pre-birth to old age. >Salmon, trout, mackerel, herring, anchovies and sardines are rich in anti-inflammatory omega-3 oils, which work in opposition to the pro-inflammatory omega-6 oils found in processed foods.