"We know that the omega 3's you get in fish lower heart disease risk, help arthritis, and may possible help with memory loss and Alzheimer's" "There is some evidence to show that it reduces depression as well."
Omega 3's are most prevalent i fatty, cold water fish: Look for wild (not farmed) salmon, herring, sardines, and mackerel. Aim for two-to-three servings a week. Other forms of omega 3's are available in fortified eggs, flax seeds, and walnuts. These superfoods have the added benefit of being high i moo-unsaturated fats, which can lower cholesterol.