Science

Scientists discover a surprising brain benefit of eating peanuts every day

A surprising new study suggests that eating peanuts every day could help support brain health and memory in older adults.

✦ Extractive summary — built from the sources' own reporting•From 1 source•1 min read•Updated November 1, 2026, 1:24 PM UTC

Researchers found that consuming about two servings of unsalted, skin-roasted peanuts daily for 16 weeks improved insulin responsiveness in brain regions important for memory, a function that often weakens with age and has been linked to Alzheimer's disease.

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