A recent body of research highlights the potential benefits of combining regular physical activity with a diet rich in brain-supportive foods to enhance cognitive function and memory in older adults at greater risk of dementia. Nutrition experts recommend incorporating specific foods known for their positive effects on brain health.
Brazil nuts are among the top choices due to their content of healthy fats and selenium, an antioxidant beneficial for brain function. Registered dietitian Lesley Reid advises consuming no more than three Brazil nuts daily to avoid excessive intake, suggesting they can be eaten raw or added to yogurt.
Protein intake is also emphasized for cognitive health, as amino acids derived from proteins play a crucial role in the formation of neurotransmitters, which facilitate communication between brain cells. Chickpeas provide an affordable and versatile protein source that can be roasted, added to salads, or blended into hummus for use as a dip.
Blueberries stand out for their rich supply of flavonoids, including anthocyanins and quercetin, compounds linked to reduced brain inflammation, stimulation of new brain cell growth, and improved blood flow to memory-related brain areas. Nutritionist Priya Kannath recommends including blueberries, fresh or frozen, to ensure a lasting supply.
Green leafy vegetables like kale and spinach contribute important nutrients such as magnesium, B vitamins, and vitamin C, which support energy production, nervous system function, and offer antioxidant protection critical to maintaining brain health.
Omega-3 fatty acids found in oily fish such as salmon and sardines are associated with decreased levels of beta-amyloid proteins, which are implicated in Alzheimer’s disease. Experts encourage consuming at least two portions of oily fish weekly to benefit from these fatty acids.
Additional brain-boosting foods include dark chocolate with a high cocoa content—at least 70%—which contains flavonoids that may enhance cognitive function and increase cerebral blood flow. Extra virgin olive oil is also noted for its anti-inflammatory properties that support vascular health, a key component of overall brain health.
Together, these dietary components, combined with regular exercise, offer a promising approach for older adults seeking to preserve and improve cognitive abilities.