Include these 5 Omega-3-rich foods in your dietOmega-3 fatty acids act as a superfood for our brain. They strengthen brain cells, improve brain function, and help fight many mental illnesses. If so, the answer lies in your diet, especially in omega-3 fatty acids. They strengthen brain cells, improve brain function, and help fight many mental illnesses. Let's learn about five foods (Omega-3 for Brain) that are rich in omega-3 and can make your brain as sharp as an AI.