Increasing EPA and DHA has little or no effect on all-cause deaths and cardiovascular events (high-quality evidence) and probably makes little or no difference to cardiovascular death, coronary deaths or events, stroke, or heart irregularities (moderate-quality evidence, coronary events are illnesses of the arteries which supply the heart).
EPA and DHA slightly reduce serum triglycerides and raise HDL (high-quality evidence).
Eating more ALA (for example, by increasing walnuts or enriched margarine) probably makes little or no difference to all-cause or cardiovascular deaths or coronary events but probably slightly reduce cardiovascular events, coronary mortality and heart irregularities (moderate/low-quality evidence).
Effects of ALA on stroke are unclear as the evidence was of very low quality.
There is evidence that taking omega-3 capsules does not reduce heart disease, stroke or death.
There is little evidence of effects of eating fish.
Although EPA and DHA reduce triglycerides, supplementary omega-3 fats are probably not useful for preventing or treating heart and circulatory diseases.
However, increasing plant-based ALA may be slightly protective for some heart and circulatory diseases.
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EPA and DHA slightly reduce serum triglycerides and raise HDL (high-quality evidence).
Eating more ALA (for example, by increasing walnuts or enriched margarine) probably makes little or no difference to all-cause or cardiovascular deaths or coronary events but probably slightly reduce cardiovascular events, coronary mortality and heart irregularities (moderate/low-quality evidence).
Effects of ALA on stroke are unclear as the evidence was of very low quality.
There is evidence that taking omega-3 capsules does not reduce heart disease, stroke or death.
There is little evidence of effects of eating fish.
Although EPA and DHA reduce triglycerides, supplementary omega-3 fats are probably not useful for preventing or treating heart and circulatory diseases.
However, increasing plant-based ALA may be slightly protective for some heart and circulatory diseases.
What are your thoughts on this?