Fish rich in oils:
Fish are considered one of the best foods that strengthen memory and improve the brain’s work and overall health, such as: salmon, trout, sardines and other fatty fish rich in omega-3 fatty acids, which constitute half of the 60% of brain fat, which is used for many functions, Such as: building brain cells and nerve cells, slowing the process of mental retreat associated with aging, and help prevent Alzheimer's disease, help in learning and memory processes, and regularity of gray matter in the brain, as a substance that contains most of the neurons that control decision-making, memory and emotion, and lack Pebble Enough omega-3 fatty acids Aterpt depression, and learning disabilities. 
Nuts and seeds:
Stephen Pratt, MD, author of Superfoods Rx: Fourteen Foods Proven to Change Your Life, says that eating 28.34 grams of nuts and seeds per day increases vitamin E levels, and this corresponds to lower cognitive abilities with age and is compatible with them, because nuts and seeds Such as: hazelnuts, almonds, peanuts, sunflower seeds, sesame seeds, flaxseeds, walnuts, peanut butter, almond butter, and tahini are rich in vitamin E sources, whether toasted or raw, or unsalted for people who follow a limited sodium diet . 
Eating eggs at breakfast in moderation has many benefits. Egg yolk is rich in choline from the vitamin B family. According to one study, it has many benefits, such as: eating it improves verbal and visual memory and reduces the possibility of signs associated with dementia, as it reduces Among the levels of the homocysteine amino acid, which levels may lead to heart disease, cancer and dementia when they are high in the blood, in addition to that choline builds a neurotransmitter called memory acetylcholine.