While there's no single "top three," fatty fish, leafy greens, and berries consistently appear as powerhouses for brain health, providing essential omega-3s, antioxidants, vitamins, and flavonoids that support memory, focus, and slow cognitive decline. These are often highlighted in brain-healthy diets like the Mediterranean and MIND diets alongside nuts, whole grains, and olive oil.
8 Superfoods for Brain Health
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.
Research has shown that eating blueberries, which contain brain-preserving phytochemicals, can prevent and possibly even reverse the shrinkage that's associated with the onset of dementia and Alzheimer's disease.
You may drink green tea to help relieve anxiety and improve memory and attention due to L-theanine and caffeine. Orange juice may lower the risk of dementia when you drink it daily as 100% juice. Other beverages that may support your brain health include ginseng tea, coffee, and kefir.
Two important nutrients, vitamins D and K, have been associated with a lower risk of conditions like dementia and cognitive impairment, which are more likely to develop as we age.
About 75% of the brain is made up of water
This means that dehydration, even as small as 2%, can have a negative effect on brain functions. Dehydration and a loss of sodium and electrolytes can cause acute changes in memory and attention.
The study found that older adults who ate diets containing the highest amounts of riboflavin, also known as vitamin B2, had a 49 percent lower risk of developing disabling dementia than their peers who ate the least.
Eat more fruits, vegetables, pulses (for example, beans, peas and lentils) and nuts and seeds. Eat less red meat – for example beef and lamb, and especially processed meats such as sausages and bacon. Eat fish regularly – particularly oily types like salmon and mackerel.
Here are some of the best foods to include in your breakfast for optimal brain health:
The researchers suggest that walnuts' mix of nutrients - including omega-3 alpha linolenic fatty acids, protein, and plant compounds called polyphenols - may enhance cognitive performance.
Turmeric, specifically its active ingredient curcumin, may help improve memory and mood, but its effects can vary between people.
Beets are rich in nitrates, a natural compound that can dilate blood vessels, allowing more oxygenated blood to reach the brain. Dark, leafy greens are known for their antioxidants, such as vitamin C, and have been shown to reduce age-related memory loss.
ML: In Genius Foods, I highlight 10 foods—olive oil, avocados, blueberries, dark chocolate, eggs, grass-fed beef, dark leafy greens, broccoli, wild salmon, almonds—with a robust body of evidence showing that they will enhance your brain function.
Three meta-analyses, each including numerous observational studies, have reported that greater green tea consumption is associated with a 33-47% lower risk of cognitive impairment and a 25-29% lower risk of dementia [1; 2; 3].
Higher intake of flavonoids, particularly from berries, appears to reduce rates of cognitive decline in older adults.
Here are some tips:
Donanemab, like lecanemab, is a type of drug called a monoclonal antibody. Antibodies form part of our immune system and bind to harmful proteins to destroy them. Donanemab contains antibodies that bind to a protein called amyloid, which builds up in the brain in the early stages of Alzheimer's disease.
You Miss Out on Sleep
You do a few things you know you shouldn't -- we all do. But some of those bad habits can take a toll on your brain. For example, lack of sleep may be a cause of dementia, including Alzheimer's disease. It's best to have regular sleeping hours.
Vitamin B12 deficiency was associated with hippocampal atrophy detected by VSRAD analysis. Therefore, early vitamin B12 supplementation should be considered in patients with deficiencies to reduce dementia risk.
The so-called "God spot" in the brain is a theoretical concept that there is a single structure or area of the brain responsible for religious belief and experience. Most studies, however, have not shown there to actually exist this localized area responsible for all religiosity.
8 Bad Habits That Are Killing Your Brain Cells
Water and Your Brain: Maintaining Normal Cognitive Function
Staying hydrated is important for overall health, and it plays a key role in supporting the maintenance of normal cognitive function. This includes several areas such as attention, focus and memory.