The brain is the most vital and complex organ in the human body, requiring proper nutrition to function optimally. What we eat can affect our cognitive abilities, mood, memory, and even our risk of developing neurodegenerative diseases. Here are some of the best foods for a healthy brain and why they are beneficial. Berries Berries are packed with antioxidants in high levels protecting the brain against oxidative stress. They also contain flavonoids, enhancing neuron communication and improving learning and memory. Some of the best berries for brain health are blueberries, strawberries, raspberries, and blackberries. Nuts and seeds Nuts and seeds …