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A growing body of evidence affirms the salutary health benefits of a Mediterranean diet, which comprises high intake of fiber and monounsaturated fatty acids derived from vegetable fat (especially olive oil), low intake of saturated fatty acids, and moderate intake of alcohol. Italian researchers examined the association between adherence to a Mediterranean diet and risk for death and disease by conducting a meta-analysis of 12 prospective cohort studies that involved more than 1.5 million participants who were followed for 3 to 18 years. Studies in which enrolled patients had previous clinical events (secondary prevention) or in which researchers did not adjust for potential confounders were not included in the meta-analysis.
Adherence to a…