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The brain is the most important organ of the body. It is responsible for the beating of your heart, releasing hormones, and regulating blood pressure. The brain is also one of the organs that uses around 20% of the body's calories. This is the reason why your body requires enough fuel to maintain concentration throughout the day.
The brain needs certain nutrients like omega 3 fatty acids, antioxidants and other vitamins and minerals to provide energy and protect against brain diseases such as brain ageing and neurodegenerative disorders.
That's why to keep your brain running in proper working condition, consume foods that will not only improve your memory but also your concentration.
Foods To Boost Memory
Berries are packed with antioxidants which include catechin, quercetin, anthocyanin, and caffeic acid. A study shows that antioxidant compounds in berries have many positive effects on the brain including improving communication between brain cells, delaying age-related neurodegenerative diseases, boosting learning and memory  .
Avocados are a good source of healthy monounsaturated fats which support brain function and lower the risk of cognitive decline. In addition, the presence of vitamin K and folate in avocados help improve cognitive function  . Other sources of monounsaturated fats are almonds, chia seeds, walnuts, etc.
3. Oily fish
Oily fishes such as mackerel, salmon, tuna, sardines, and herring are an excellent source of omega 3 fatty acids. Omega 3 fatty acids help improve the structure of brain cells called neurons. According to a study, people with high levels of omega 3 fats had increased blood flow in the brain  .
4. Nuts and seeds
Nuts and seeds are rich in vitamin E and omega 3 fatty acids which protect the brain cells from oxidative stress caused by free radicals. A study found that an increased intake of nuts and seeds has been linked to better brain function in older age  .
Broccoli is a good source of antioxidants and vitamin K. Vitamin K is a water-soluble vitamin which has been linked to improving memory in older adults, according to a 2016 study  .
Eggs are another memory-boosting food which contains a good amount of B vitamins like vitamin B6, vitamin B12, and folic acid. A research study shows that these vitamins delay cognitive decline and prevent shrinking of the brain  .
7. Dark chocolate
Cocoa powder which is used for making dark chocolate contains flavonoids, antioxidants, and caffeine. The flavonoids in chocolate accumulate in the area of the brain which deals with memory and learning. Researchers say that these compounds increase memory power and slow down age-related mental decline  .
Coffee contains caffeine and antioxidants which have positive effects on your brain. Caffeine increases brain alertness by blocking adenosine, a chemical that makes you sleepy. It also boosts serotonin, a feel-good neurotransmitter  ,  .
9. Green tea
Green tea is another memory-boosting beverage that has been found to improve performance, alertness, memory and focus  . Green tea contains an amino acid called L-theanine that increases the activity of the neurotransmitter GABA, which aids in reducing anxiety and makes you feel relaxed  .
Oranges are a great source of vitamin C, a preventive factor in mental decline. Vitamin C is a powerful antioxidant in fighting off free radicals that damage the brain cells. According to a study, consuming sufficient amounts of vitamin C rich foods can protect against age-related mental decline  .
Apart from eating healthy memory-boosting foods, it is also essential to get enough sleep, keep your body hydrated, exercise daily, reduce stress, and alcohol intake.
-  Subash, S., Essa, M. M., Al-Adawi, S., Memon, M. A., Manivasagam, T., & Akbar, M. (2014). Neuroprotective effects of berry fruits on neurodegenerative diseases. Neural regeneration research, 9(16), 1557–1566.
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-  Amen, D. G., Harris, W. S., Kidd, P. M., Meysami, S., & Raji, C. A. (2017). Quantitative erythrocyte omega-3 EPA plus DHA levels are related to higher regional cerebral blood flow on brain SPECT. Journal of Alzheimer's Disease, 58(4), 1189-1199.
-  O'Brien, J., Okereke, O., Devore, E., Rosner, B., Breteler, M., & Grodstein, F. (2014). Long-term intake of nuts in relation to cognitive function in older women. The journal of nutrition, health & aging, 18(5), 496–502.
-  Soutif-Veillon, A., Ferland, G., Rolland, Y., Presse, N., Boucher, K., Féart, C., & Annweiler, C. (2016). Increased dietary vitamin K intake is associated with less severe subjective memory complaint among older adults. Maturitas, 93, 131-136.
-  Smith, A. D., Smith, S. M., De Jager, C. A., Whitbread, P., Johnston, C., Agacinski, G., ... & Refsum, H. (2010). Homocysteine-lowering by B vitamins slows the rate of accelerated brain atrophy in mild cognitive impairment: a randomized controlled trial. PloS one, 5(9), e12244.
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-  Juneja, L. R., Chu, D. C., Okubo, T., Nagato, Y., & Yokogoshi, H. (1999). L-theanine—a unique amino acid of green tea and its relaxation effect in humans. Trends in Food Science & Technology, 10(6-7), 199-204.
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