The two may be related, according to the latest research. Several recent studies, summarized in the January 2012 issue of Today’s Dietitian, have suggested that diets rich in the heart-healthy, omega-3 fats, docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) , may improve mood and depression symptoms and certain aspects of bipolar disorder. Although the mechanisms are not completely clear, DHA seems to work as a part of the neuron’s cell membrane, and EPA may reduce inflammatory processes in the brain.
Looking for good sources of these fats? Fatty, cold-water fish, like salmon, halibut, sardines, tuna and herring, are a great choice, and some foods are also supplemented with omega-3s. The American Heart Association recommends two servings of fatty, cold-water fish per week for a healthy heart, and now, your brain may thank you, too!