Wednesday, February 04, 2015

Omega 3 fatty acids

Why They're a Good Fat

Not all fats are unhealthy. Omega-3 fatty acids are one of the "good" types of fat. They may help lower the risk of heart disease, depression, dementia, and arthritis. Your body can't make them. You have to eat them or take supplements.


Know the 3 Types of Omega-3s

Omega-3 fatty acids come in more than one form. The types found in fish, called DHA and EPA, seem to have the strongest health benefits. Another form known as ALA is found in vegetable oils, flaxseed, walnuts, and dark leafy vegetables such as spinach. The body can change a small amount of ALA into EPA and DHA, but not very well.


How Omega-3s Fight Disease

Omega-3 fatty acids help your heart in several ways. They curb inflammation in the blood vessels (and the rest of your body). At high doses they also make abnormal heart rhythms less likely and lower your level of blood fats called triglycerides. Finally, they can slow plaque buildup inside the blood vessels.

Heart Disease

The American Heart Association recommends 1 gram a day of EPA plus DHA for people with heart disease. Eating oily fish is best, but your doctor might recommend a fish oil capsule. If you've had a heart attack, a prescription dose of omega-3s may help protect your heart. Some studies show fewer heart attacks and fewer heart disease deaths among heart attack survivors who boosted their levels of omega-3.

Helping Your Heart's Rhythm

Omega-3s seem to have a stabilizing effect on the heart. They can lower heart rate and help prevent arrhythmias (abnormal heart rhythms). Several common sources of omega-3s are fish, walnuts, broccoli, and edamame (green soybeans that are often steamed and served in the pod).

Cutting Triglycerides

Omega-3s DHA and EPA can lower your triglycerides, a blood fat that’s linked to heart disease. Talk with your doctor before taking omega-3 supplements, because some types can make your "bad" cholesterol worse. You can also bring down triglyceride levels by exercising, drinking less alcohol, and cutting back on sweets and processed carbs like white bread and white rice.

Lowering High Blood Pressure

Omega-3s can help lower blood pressure, a bit. One plan is to replace red meat with fish during some meals. Avoid salty fish, such as smoked salmon. If you have high blood pressure, limiting salt is probably one of the things your doctor has recommended.

Prevent Stroke?

Omega-3 foods and supplements curb plaque buildup inside blood vessels, helping with blood flow. So they may help prevent stroke caused by clots or a blocked artery. But at high doses, omega-3 supplements might make bleeding-related stroke more likely; so check with your doctor.

Useful for Rheumatoid Arthritis

Studies suggest omega-3s can curb joint pain and stiffness in people with rheumatoid arthritis. A diet high in omega-3s may also boost the effectiveness of anti-inflammatory drugs.

May Help With ADHD

Some studies suggest omega-3 supplements may ease the symptoms of ADHD. Omega-3 fatty acids are important in brain development and function. Omega-3s may provide some added benefits to traditional treatment, but they don't replace other treatment.

Research on Dementia

The jury is still out, but there's some evidence that omega-3s may help protect against dementia and age-related mental decline. In one study, older people with a diet high in omega-3 fatty acids were less likely to get Alzheimer's disease. More research is needed to confirm the link.

Omega-3 Supplements

If you don’t like fish, you can get omega-3 from supplements. One gram per day is recommended for people with heart disease, but ask your doctor before starting. High doses can interfere with some medicines or increase risk of bleeding. You may notice a fishy taste and fish burps with some supplements. Read the label to find the amounts of EPA, DHA, or ALA you want

Vegetarian Sources of Omega-3s

If you don't eat fish or fish oil, you can get a dose of DHA from algae supplements. Algae that is commercially grown is generally considered safe, though blue-green algae in the wild can contain toxins. Vegetarians also can get the ALA version of omega-3 from foods such as canola oil, flaxseed, walnuts, broccoli, soy products and spinach -- or products fortified with omega-3s.

Avoid the Omega-3 Hype

Many food products now boast that they have added omega-3 to support various aspects of your health. But be aware that the amount of omega-3 they contain may be minimal. They may contain the ALA form of omega-3, which hasn't yet shown the same health benefits as EPA and DHA. For a measured dose of omega-3, taking fish oil supplements may be more reliable.


THIS IS ONLY FOR INFORMATION, ALWAYS CONSULT YOU PHYSICIAN BEFORE HAVING ANY PARTICULAR FOOD/ MEDICATION/EXERCISE/OTHER REMEDIES.








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