Answer: Think about it. Your brain is always "on." It takes care of your thoughts and movements, your breathing and heartbeat, your senses — it works hard 24/7, even while you’re asleep. This means your brain requires a constant supply of fuel. That "fuel" comes from the foods you eat — and what’s in that fuel makes all the difference. Put simply, what you eat directly affects the structure and function of your brain and, ultimately, your mood.
Just like the rest of your body, your brain needs carbohydrates, proteins, fats, vitamins, minerals, and water to function normally. A key part of supporting brain health is eating a wide variety of “brain foods.” When it comes to your brain, foods that are high in the following nutrients come out on top: 1.