By the way, doctor: How much fish oil should I be taking?
Studies have shown fish-oil capsules do seem to have cardiovascular benefits, including lowering blood pressure and reducing triglyceride levels. There's evidence, too, that capsules lower the overall risk for fatal heart attack (as does eating fish regularly). The results aren't all positive; for example, a study of people prone to sudden death from heart-rhythm abnormalities found that fish-oil capsules did nothing to reduce this risk.
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