Healthy people aged 60 to 75 who ate nuts every day for 16 weeks showed higher insulin sensitivity in parts of the brain, according to a study from Maastricht University Medical Center in the Netherlands. Ajker Patrika reports that it was published in the journal Food & Function.
The study had 31 participants, who ate 60 grams of roasted, unsalted nuts with their skins each day. The change appeared in the right hippocampus and other areas involved in memory and cognition.
The same research team reported in 2025 that 16 weeks of nuts raised blood flow in the brain by 3.6 percent and verbal memory by as much as 5.8 percent.
The report says the unsaturated fat, fibre, vitamins, minerals, antioxidants and the amino acid L-arginine in nuts help blood vessels work better.
The researchers say that although the results are encouraging, it cannot be said for certain that nuts directly prevent Alzheimer's disease or dementia. Larger and longer studies are needed to settle that.
Source: Ajker Patrika
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