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Food 11 brain foods that benefit memory, concentration, and mood

22:15  19 february  2021
22:15  19 february  2021 Source:   msn.com

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a piece of cake sitting on top of a wooden table: Brain foods like blueberries and fatty fish can improve cognitive function and memory if eaten regularly. Photo by Cathy Scola/ Getty Images © Photo by Cathy Scola/ Getty Images Brain foods like blueberries and fatty fish can improve cognitive function and memory if eaten regularly. Photo by Cathy Scola/ Getty Images
  • "Brain foods" are the most helpful items to eat or drink for optimal brain health.
  • The three best brain foods are blueberries, walnuts, and fatty fish.
  • Vegetarians can get similar brain benefits from eating healthy fats like olive oil and avocados.
  • Visit Insider's Health Reference library for more advice.

The foods we eat can significantly affect our mood, emotions, and cognitive abilities. "Brain food" is a term used to describe the most helpful items to eat and drink for optimal brain health. These foods can help strengthen brain functions such as memory, concentration, and more.

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Many of these foods contain healthy components such as omega-3 fats, which can help fend off dementia. Others may be high in antioxidants, which stimulate the flow of oxygen and blood to the brain while also decreasing inflammation.

"The key is eating non-processed foods, which unfortunately comprise most of the standard American diet," says Shad Marbasti, MD, associate professor of family community and preventive medicine at the Arizona College of Medicine in Phoenix. "Once you get into real foods, there are nutrients, chemicals, and healthy fats that help brain function. The three big winners are blueberries, walnuts, and fatty fish."

With that in mind, below is a list of the top foods to eat for a healthy brain, and what makes them so nutritious.

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Berries

Berries pack a big nutritious punch, mostly thanks to a plant chemical compound called anthocyanins, which are the antioxidant pigments that give red, purple, and blue plants their color.

These bite-sized fruits can reduce inflammation, preserve brain cells, and helpscells communicate - and in turn, reduce the risk for neurodegenerative diseases like dementia.

According to Marbasti, blueberries have the most health benefits. While the majority of controlled human trials have studied blueberries, other common berries that have been found to boost brain health include:

  • Strawberries
  • Blackcurrants
  • Bilberries
  • Blackberries
  • Mulberries
  • Raspberries

What the research says: According to a study published in Neural Regeneration Research, the natural antioxidant and anti-inflammatory elements of berries reduce stress and inflammation in the brain.

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Nuts

Many types of nuts are brain-healthy snacks that are rich in vitamin E. This protects the brain from oxidative stress: an imbalance in the body that can lead to cell and tissue damage.

Walnuts in particular help with memory, anxiety, and learning. They contain large amounts of a plant-based fatty acid called n-3 α-linolenic acid that has anti-inflammatory effects.

Aside from walnuts, the best nuts for brain health include:

  • Pistachios
  • Macadamia
  • Almonds
  • Hazelnuts

Fatty fish

The human brain is nearly 60% fat, so it needs plenty of healthy fats to function well.

Fish like salmon and mackerel contain docosahexaenoic acid - the type of omega-3 fatty acid best absorbed by the brain - compared to plant-based sources, like flax seeds.

Omega-3 fats perform several jobs, including the building of cell membranes in your brain that protect from deterioration.

Eggs

Eggs are a common breakfast food rich in the essential nutrient choline, which is needed by nerves and the brain.

Choline is converted into a neurotransmitter called acetylcholine, which plays a role in brain functions like memory and focus. Though many people eat only egg whites to reduce calorie and fat intake, yolks are where the high concentrations of choline are found.

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Leafy greens

Leafy green salad bases contain high levels of nutrients like folate, lutein, and vitamin E, which protect the brain against cognitive decline.

A 2018 study suggests about one daily serving of leafy greens can slow age-related memory loss.

The best leafy greens for brain health are those packed with antioxidants and vitamins like lutein, which is known for its effects on eye and brain health. Other leafy greens include:

  • Spinach
  • Kale
  • Collard greens

What the research says: The American Academy of Neurology suggests one daily serving of leafy greens may slow age-related memory loss.

Pumpkin seeds

Whether scooped right from the pumpkin or bought separately, pumpkin seeds are a brain-healthy snack to keep around, as long as they are not roasted with extra sugar as that may take away from the beneficial antioxidants.

They are rich in zinc, which aids in regulating the communication between brain cells, helping the formation of memories.

Coffee

Coffee does more than provide an early-morning pick-me-up. The caffeine in coffee is linked to better concentration, improved mood, increased energy, and the prevention of cognitive decline.

However, caffeine should be consumed in moderation. The FDA recommends 400 milligrams a day - that's about four or five cups of coffee. Exceeding that amount can have negative side effects such as an upset stomach, headaches, and insomnia.  It is best to drink coffee with a little cream, milk, or sugar to get the most benefits. Specialty coffees should be saved for a special occasion as they are often calorie-dense and high in sugar, which increases inflammation.

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Green tea

Long known for its health benefits, green tea has been shown to reduce anxiety and improve memory and attention.

This is partly due to caffeine, but green tea also contains a plant chemical called L-theanine, which improves calmness and reduces tension.

Because green tea contains less caffeine than coffee, more can safely be consumed - up to eight cups a day compared to four or five.

Oranges

This vitamin C-rich fruit isn't just good for the common cold. The vitamin C in oranges and other fruits and vegetables - such as bell peppers, strawberries, Brussel sprouts and broccoli - also plays a crucial role in mood and memory.

It may also protect against stroke, Alzheimer's disease, Parkinson's disease, and Huntington's disease, which may all have negative effects on brain function.

Turmeric

Turmeric boasts plenty of health benefits. Curcumin, a compound that gives this spice its gold color, has been found to help fight Alzheimer's disease.

Researchers have linked turmeric to improved memory and mood in people with age-related memory loss. In a small 2014 study, people ranging in age from 51-84 were split into two groups: those who took 90 mg of curcumin twice daily for 18 months, and those who did not. Those who took the curcumin showed improved memory and focus.

Dark chocolate

This treat is much healthier than its milk- and white-chocolate counterparts. That's because it contains flavanols, a type of flavonoid, which is a plant-based substance with anti-inflammatory and antioxidant properties.

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One comprehensive review found dark chocolate improved memory, brain blood flow, and oxygen levels. It has also been shown to improve depression, anxiety, and enhance feelings of calmness.

Insider's takeaway

When it comes to getting the right nutrients for your brain, it is important to avoid what Marbasti calls "Frankenfoods" - in other words, processed foods that have undergone many changes to their natural state. These are generally thought to be inferior to unprocessed foods, and are often pre-packaged, containing many ingredients, artificial colors, flavors, or other chemical additives.

Instead, stick to foods in their raw state, like fruits, vegetables, and fish. For vegetarians, Marbasti says they can get the same type of brain benefits from eating other healthy fats like olive oil and avocados.

"When I say, 'eat the rainbow,' I don't mean colorful candy," Marbasti says. "Make sure you get plenty of nuts, seeds, and berries, and throw in some greens. Refined grains and excess sugar won't do anything good for brain health."

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