Milk, yogurt and cheese are so nutritious and are packed with protein and B-vitamins which are essential for growth of brain tissue, neurotransmitters and enzymes which all play an important role in the brain. Another benefit is these foods are high in calcium which is vital for growth of strong and healthy teeth and bones. Children have different requirements for calcium depending on their age, but you should aim to include two to three calcium-rich sources a day. For more information about calcium requirements, click here.