Omega-3 fatty acids for the primary and secondary prevention of cardiovascular disease

Systematic assessment of omega-3 fats on cardiovascular health suggests that increasing EPA and DHA has little or no effect on mortality or cardiovascular health (evidence mainly from supplement trials) putting into question previous suggestions of benefits from EPA and DHA supplements. Low-quality evidence suggests ALA may slightly reduce CVD event risk, CHD mortality and arrhythmia.  Additional large studies of omega 3 are currently underway.

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