Scientists say this type of olive oil could boost brain power
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- Universitat Rovira i Virgili conducted a two‑year PREDIMED‑Plus study of 656 adults aged 55‑75 with metabolic syndrome, tracking olive‑oil consumption and gut microbes.
- Extra virgin olive oil users showed measurable cognitive improvement and higher gut‑microbiota diversity, whereas refined olive‑oil users experienced a decline in diversity.
- Adlercreutzia was singled out as a gut bacterium whose abundance correlated with the cognitive benefits of extra virgin olive oil.
Why it matters: Older adults with metabolic syndrome (656 participants) gain measurable cognitive gains and richer gut microbiota by using extra virgin olive oil, while insurers can cut dementia‑related costs and premium olive‑oil producers see higher demand.
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