Intended for healthcare professionals


Sixty seconds on . . . the Mediterranean diet

BMJ 2018; 361 doi: (Published 19 June 2018) Cite this as: BMJ 2018;361:k2667


A Mediterranean diet trial’s retraction and republication leaves a trail of questions

  1. Sue Mayor
  1. The BMJ

To eat or not to eat?

Well. Everything seemed so simple, with big studies showing that eating a Mediterranean diet—think Greek island lunch with olive oil, vegetables, fruit, nuts, and cereals but light on dairy and red or processed meats—reduced cardiovascular disease (CVD). Until this week, that is, when Spanish researchers retracted their landmark study (PREDIMED)1 because of “irregularities in randomisation procedures.”

Butter on my steak, then

Not so fast. The Spanish research group reanalysed their data and published an updated report at the same time as retracting …

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