5- Almonds, Cashews, Pecans, Macadamia Nuts,and Walnuts
For example, walnuts are good for the brain because they have higher levels of DHA, which is important for brain health. Harvard recently found that those who eat nuts on a daily basis have a 20% lower death rate.
APP-transgenic mice (AD-tg) with the APP gene mutation show memory deficit and Aβ deposition in the brain and are considered an animal model of AD. The recommended daily serving of walnuts is 1–1.5 oz, i.e., 28–42 g, which is equivalent to 12–18 walnut halves.
Certain fruits such as oranges, bell peppers, guava, kiwi, tomatoes, and strawberries, contain high amounts of vitamin C. Vitamin C helps prevent brain cells from becoming damaged and supports overall brain health. In fact, a study found that vitamin C can potentially prevent Alzheimer's.
BHF dietitian Victoria Taylor says:
Brazil nuts, cashews and macadamia nuts are higher in saturated fat. Too much of this can contribute to raised cholesterol levels, so only eat them occasionally. Chestnuts are an exception – they're lower in all types of fats and higher in starchy carbohydrate than other nuts.
Most nuts appear to be generally healthy. But some may have more heart-healthy nutrients than others. For example, walnuts contain high amounts of omega-3 fatty acids. Almonds, macadamia nuts, hazelnuts and pecans also appear to be quite heart healthy.
Almonds are a good source of vitamin C, while Brazil nuts are high in selenium. Pistachios are high in vitamin B6 and potassium while pecans, the centerpiece of Thanksgiving pecan pie, are a good source of vitamin E.
Nuts like almonds, pistachios and macadamias each bring something special to the table. Almonds help improve memory, pistachio nut oils help preserve fatty acids and prevent inflammation, and macadamias contribute to normal brain function. Yet, the top nut award certainly goes to the walnut.
Walnuts. Walnuts are the top nut for brain health. They have a significantly high concentration of DHA, a type of Omega-3 fatty acid. Among other things, DHA has been shown to protect brain health in newborns, improve cognitive performance in adults, and prevent or ameliorate age-related cognitive decline.
Nuts, Seeds and Legumes
All of these are shown to promote brain health and reduce age-related cognitive decline. Foods such as walnuts, almonds, peanuts, soybeans, lentils, flax seeds and pumpkin seeds are all good choices to add to your diet if you're looking to score these benefits.
Vitamin B9, or folate, is a popular supplement and a key vitamin for supporting brain and neurological health, optimal neurotransmitter function, and balanced psychological health. Another benefit is that it helps encourage cellular detoxification.
An ounce (30 grams) of walnuts a day has been shown to reduce the risk of heart disease. The recommended serving size is a small handful or 1½ ounces (45 grams) a day.
Soaking the walnuts overnight and then consuming them in the morning is one of the best ways to consume walnuts. To do this, take 2-4 pieces of walnuts and soak them in a cup of water overnight. Have them the first thing next morning. Having soaked walnuts helps in reducing the bad cholesterol in the body.
To start the day off with the best fuel for learning, include slow-release carbohydrates, such as porridge oats, wholemeal bread or low-sugar wholegrain cereals, as they provide sustained energy to maintain blood glucose levels.