The walnut looks a lot like the human brain. Walnuts are made up of 15 to 20 percent protein and contain linoleic omega-6 fatty acids and alpha-linoleic acids omega-3 fatty acids, vitamin E and vitamin B6, that making them an excellent source of nourishment for the nervous system. Omega 3 fatty acids found in walnuts are helpful in brain function. Our brain is more than 60% structural fat which needs to be primarily omega-3 fat that found in walnuts and flaxseed to cell membranes. Walnuts may also help correct the human brain’s seratonin levels that are important brain chemical that controls both our moods and appetite.

A protein source associated with a great brain boost is fish that is rich in omega 3 fatty acids, which is essential for brain function and development. These healthy fats have amazing brain power: higher dietary omega 3 fatty acids are linked to lower dementia and stroke risks; that help to get slower mental decline; and may play a vital role in enhancing memory and concentration, especially when we get older. According to a study regular fish-eaters were less likely to have brain cells die off in the area of the brain responsible for short-term memory. Fish-rich diet is good for maintaining optimal brain health.

Brown Rice is a low-glycemic complex carbohydrate that is really excellent for people sensitive to gluten who still want to maintain cardiovascular health. The better your circulation, the sharper your brain – and as part of a campaign to get the Philippines to switch from white to brown rice, it’s been claimed that brown rice can boost your memory and increase concentration. But Be aware don’t buy the excessively-packaged “boil in a bag” rice packets. Just make up a big batch of brown rice in a rice cooker and you have it on hand for easy lunches all week.

Ginseng is probably the most famous Chinese herb and according to ancient literature this herb will work wherever it is needed. If lower the high temperature and low temperature it will increase. Ginseng is also supposed to be good for concentration and memory function of your brain. Some studies have shown that the properties in some ginseng strands increased protein synthesis in the brain and thus concluded that it is good factor for increasing memory and concentration, however, these studies were carried out in the 60s. Ginseng has been used for thousands of years in Chinese medicine.

Green tea is a wonderful beverage; it enhances memory and focus and fights mental fatigue. Green tea contains catechines, which help you relax mentally, yet also keeps your wits sharpened. The bitter-tasting substance in green tea can actually protect the brain from wear and tear. It also helps dopamine production, which is key to a positive mental state. And really, when you're going to take a test, you absolutely must have a positive attitude about it. Green Tea also helps maintain positive mood states and fights against many brain disorders. Polyphenols are powerful antioxidants found in green tea that can boost the availability of the important signaling brain substance dopamine in brain circuits.