Eat more fish this year and up your intake of omega-3 fatty acids which are key for brain and heart health.  Try eating 1-2 servings of fish each week. Salmon, trout, sardines, tuna and mackerel are great options.  Eating fish may help reduce your risk of heart disease, may reduce your rate of mental decline, may prevent and treat depression and provide vitamin D which is important especially during the winter months.