Omega-3 fatty acids are essential fats that the body cannot produce on its own. Although most consumers in the Western world perceive fats as "bad," these fats are necessary for the proper functioning of the brain and nervous system, according to the World's Healthiest Foods website. Omega-3 fatty acids are found in some plant sources, such as flax seeds and soybeans; however, fish oil is the most abundant food source of these acids. These fats may offer several important health benefits.
Reduced Heart Disease Risk
Eating fish, or taking fish oil supplements, may help reduce the risk of heart attack, stroke and other heart disease, according to the American Heart Association. It may slow the development of fatty deposits in veins and arteries, preventing these deposits from obstructing blood flow. This may ease the workload on the heart and lower blood pressure.
Leptin Stimulation
The omega-3 fatty acids found in fish oil may stimulate the body's production of leptin, according to the World's Healthiest Foods website. Leptin is a hormone that may suppress appetite and regulate the body's metabolism. Proper levels of leptin in the body may reduce the risk of obesity.
Inflammation Prevention
According to the World's Healthiest Foods website, omega-3 fatty acids may help reduce inflammation in the body's tissues. This may be particularly important for people with conditions such as rheumatoid arthritis or fibromyalgia, who tend to experience chronic muscle and joint inflammation.
Skin and Hair Improvement
Omega-3 fatty acids contribute to the production of healthy skin cells, which may help improve the appearance of the skin, according to Dr. James Balch and Phyllis Balch, authors of "Prescription for Nutritional Healing." They also play an important role in the production of keratin, the primary component of human hair. Taking fish oil containing omega-3 fatty acids may contribute to stronger, healthier hair.
References
- The World's Healthiest Foods: Omega 3 Fatty Acids
- American Heart Association: Fish and Omega-3 Fatty Acids
- "Prescription for Nutritional Healing"; James F. Balch, M.D. and Phyllis A. Balch, C.N.C.; 1997
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