Daily Peanuts Can Boost Brain Power, Scientists Confirm

Eating a handful of peanuts daily could significantly improve memory and brain function, particularly in older adults. A recent study by Dutch researchers indicates that consuming around 60 unsalted, roasted peanuts with their skins each day for four months can enhance the brain's ability to remember information.

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The findings could be extremely useful for reducing the risk of dementia, which increases with age and damage to brain blood vessel function.

The research, conducted on individuals between 60 and 75 years old, observed a 3.6 percent increase in global cerebral blood flow and a 5.8 percent improvement in memory. This boost in blood flow to the brain's frontal and temporal lobes is crucial for cognitive functions like memory recall.

Beyond memory enhancement, the study also noted a reduction in blood pressure among participants. This finding is particularly significant as it suggests a potential benefit in mitigating the risk of dementia, which is often associated with aging and impaired brain blood vessel function.

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Cerebral blood flow is an important physiological marker of brain blood vessel function and refers to the amount of blood that flows through the brain, delivering oxygen and nutrients that are essential for maintaining brain health.

Researchers attribute these benefits to the nutritional content of peanuts, especially those consumed with their skins. The skins are rich in dietary fiber and natural plant compounds, including antioxidants, which likely contribute to the observed positive health effects. This builds on previous findings from the same research team, which showed similar brain blood flow improvements with soy nuts and mixed nuts.

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For this study, peanuts roasted in their skins were chosen because they contain additional dietary fiber and natural plant compounds, especially antioxidants.