Like any other organ, the brain needs proper care and nutrition to function at its best. For this reason, we must identify different brain foods and add them to our daily diet. Studies suggest that eating adequate brain food is also vital for the elderly. As we age, many natural changes occur to the body, including the brain. Therefore, it's advisable for adults to keep their brains healthy and active by eating enough brain foods. Secondly, a healthy diet helps keep your child's brain healthy and sharp. Studies show that breastfed babies are likely to grow up smarter than those who are not. A similar result was also discovered in children who eat foods rich in fatty acids.