RCT2018 · NEJM · Estruch R et al.
PREDIMED: Mediterranean diet cuts cardiovascular events by 30%
Who, how long
7,447 high-risk Spanish adults, 4.8 years
What they found
A Mediterranean diet supplemented with extra-virgin olive oil or nuts reduced heart attack, stroke and cardiovascular death by 30% versus a low-fat control.
⚠ Caveat
The 2013 version was retracted over randomisation flaws and re-analysed (2018) — the result held. Mediterranean population.
Related in the knowledge base
Last reviewed: 6 September 2026
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