What is omega-3?


Quick Answer

Omega-3 fatty acids are essential fatty acids that are popular for protecting the body against heart disease, according to the University of Maryland Medical Center. These essential fatty acids are found in fatty fish and in plants, such as flaxseed and walnuts.

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Full Answer

According to the Cleveland Clinic, omega-3 fatty acids reduce the risk of sudden cardiac death and lower blood pressure. Omega-3 fatty acids may also decrease the body’s triglyceride levels and inhibit the growth of plaque in the arteries.

The body cannot produce omega-3 fatty acids, according to the University of Maryland Medical Center. People must obtain omega-3 fatty acids and other essential fatty acids through their diets. Omega-3 fatty acids can be found in salmon, sardines, albacore tuna, soybeans and canola oil. Some people choose to take fish oil or flaxseed supplements to increase their omega-3 fatty acid intake.

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