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Wednesday, March 19, 2008

Fish and omega-3 fatty acids

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Studies in the 1970s showed that Greenland Eskimos had a lower rate of heart disease than did other individuals living in Greenland at the same time. Analysis of dietary differences between the groups showed that the Eskimos ate less saturated fat and more omega-3 fatty acids found in fish and whale and seal meat.
Research since that time has supported the heart-healthy benefits of eating fish. If you can't dine with the Eskimos, other good sources of omega-3 fatty acids include flaxseed, walnuts, canola oil and soybean oil.
Omega-3 fatty acids are noted for their triglyceride-lowering effect, but they also help the heart in other ways such as reducing blood pressure and the risk of blood clots. In people who have already had heart attacks, fish oil - or omega-3 fatty acids - significantly reduces the risk of sudden death.
Doctors recommend eating at least two servings of fish a week. The highest levels of omega-3 fatty acids are in mackerel, lake trout, herring, sardines, albacore tuna and salmon. However, to maintain the heart-healthy benefits of fish, bake or grill it.

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