The brain is one of the most active organs in the body. It controls our thoughts memory and speech and the function of many organs within our body. To keep functioning the brain requires up to 20 percent of the body’s energy reserves. So our brain needs plenty of good fuel to function throughout the day. Depriving the brain of essential nutrients can lead to decline in cognitive abilities. Therefore it is important to eat a brain-boosting diet to enhance your cognitive capabilities. Lack of exercise excessive drinking and avoiding social company are other factors that harm your brain function.