Editorial still-life of a glass bottle of golden olive oil with olives and an olive branch sprig, styled on textured cream and stone in deep olive, green and lime tones, no text

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Virgin or Refined: New Research Suggests Your Brain Can Tell the Difference

A new European study distinguishes virgin from refined olive oil for the first time at the level of gut bacteria and cognitive function. Here's why freshness...

22 October 2026 Chris Averill

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