Proper nutrition supports cognitive functions by providing the brain with essential nutrients needed for optimal performance. Nutrients such as omega-3 fatty acids, antioxidants, and vitamins are critical for neurotransmitter function and overall brain health. A balanced diet can enhance memory, focus, and learning, while deficiencies can lead to cognitive decline. Furthermore, certain foods like berries and leafy greens have been shown to promote long-term brain health. Good nutrition not only influences physical health but is essential for maintaining cognitive vitality.