A review of previously published research, known as a meta-analysis, appeared in the Annals of Medicine (January 16, 2009; Pages 1–10). The analysis examined the effects of omega-3 fatty acid supplementation in patients who had experienced a myocardial infarction.

The review included data from eight clinical trials, involving a total of 20,997 patients. When results were analyzed collectively, the findings suggested that among individuals with a prior myocardial infarction, omega-3 fatty acid supplementation was associated with a reduced risk of sudden cardiac death.

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