Below mentioned are the 7 tips which can be adopted by an individual to improve the health of their brain. Feed Your Brain Healthy FoodThe brain needs good nutrition for optimal functioning. Foods to improve brain health mainly include omega 3 fatty acids found in fatty fish like salmon that are important to keep the brain in good shape. What Your Brain Does When You Sleep: Your brain organizes memory, moderates’ emotions, heals your body and gets rid of any cellular toxins. A healthy brain is one that has developed healthy habits that have been maintained over time.