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So, when research reviews show that it doesn't provide the health benefits for people with heart conditions that researchers thought it did, it's hard to know what to do.
The Main Types of Omega-3 Fatty Acids
- Eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) are found in fatty fish and some shellfish.
- Alpha-linolenic acid, or ALA, is found in vegetable oils, nuts (especially walnuts), flax and some leafy vegetables.
Omega-3s can help reduce inflammation, a factor in both artery-clogging plaque and autoimmune diseases like rheumatoid arthritis. There is some evidence that omega-3s offer modest rheumatoid arthritis symptom relief.
Omega-3s can thin blood and may reduce the likelihood of dangerous clots, but that could also mean it will take your blood longer to clot after a simple cut, for instance. This can be dangerous if you're also on a prescription blood thinner or take NSAIDs, which can cause bleeding ulcers. So talk to your doctor about potential drug interactions if you're considering omega-3 supplements.
One important point about the research that found little or no heart benefits from fish oil is that most of those studies involved omega-3 supplements rather than foods naturally rich in these fatty acids.
From the limited research that's been done, it appears that eating foods with naturally occurring omega-3s seems to be better than getting them through supplements, plus you get the other nutrients in the foods.
So put fatty fish like salmon, tuna and trout, or shellfish like crab, mussels and oysters, on the menu twice a week, and grab a handful of walnuts for a satisfying snack.
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