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What Are the Functions of Omega 3?

Omega-3 fatty acids are important to human health, but the body doesn't produce them, according to the University of Maryland Medical Center. These acids can be found in salmon, tuna, halibut and nut oils.

  1. Cholesterol

    • Diets high in Omega-3 fatty acids have been shown to increase HDL ("good") cholesterol, according to the University of Maryland. Fish oils high in Omega-3 have been shown to decrease LDL ("bad") cholesterol.

    Blood Pressure

    • Omega-3 acids can lower high blood pressure significantly, according to the University of Maryland. This information was gathered from 17 clinical trials, information on the university's website states.

    Heart Disease

    • Omega-3 fatty acids reduce high cholesterol and high blood pressure, which reduces the risk of heart disease. Diets rich in Omega-3 reduce the risk of death after a heart attack, according to the University of Maryland.

    Weight Loss

    • Many people who are overweight have high cholesterol and poor blood sugar control, according to the University of Maryland. Omega-3 fatty acids can help alleviate these problems when coupled with regular exercise.

    Depression

    • Lack of Omega-3 fatty acids in the body may lead to depression, according to the University of Maryland Medical Center. The acids may alleviate depression in some people.

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