What you eat affects your brainpower. The brain is the most energy hungry organs of the body. It needs a steady supply of fuel to maintain its ability to focus. Without sufficient supply of energy you will suffer from poor concentration. To maintain healthy brain functions, delay brain aging and minimize the risk of cognitive impairment you need nutrients that nourish the brain cells and protect them from harmful activities of free radicals and other toxic substances. A brain-friendly diet is essentially a healthy diet that contains whole grains, fruits, vegetables, nuts, herbs and oily fish in appropriate proportions. To learn more about the best foods for improving your brainpower, follow the link given below.