Lyon Diet Heart Study

The Lyon Diet-Heart Study was a “randomized, single-blind secondary prevention trial aimed at testing whether a Mediterranean-type diet, compared with a prudent Western-type diet, may reduce recurrence after a first myocardial infarction.”

The study consisted of 605 patients who had recovered from a myocardial infarction at a hospital in southern France. The experimental group emphasised “more bread, more root vegetables and green vegetables, more fish, less meat (beef, lamb and pork to be replaced with poultry), no day without fruit, and butter and cream to be replaced with margarine” which was high in alpha-linolenic acid (an omega-3 fatty acid).

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