Monday, October 12, 2009
All About Flax II
Q. What is so beneficial about omega-3 fatty acids?
A. The majority of U.S. diets no longer contain the amount of omega-3 fatty acids needed for overall health and wellness. Omega-3 fatty acids correct imbalances in modern diets that lead to health problems. Today, Americans are consuming more than 10 times as many omega-6 fatty acids (another essential fatty acid family which is required by the body in moderate, not excessive, amounts) as they are omega-3 fatty acids thanks to the increase of fatty, highly processed foods in today's diet. Eating less omega-6 and more omega-3 fats from foods like ALA-rich flax can help lower the risk of chronic diseases like heart disease, stroke, and cancer, as well as lower LDL or "bad" cholesterol. In fact, large scale studies confirm that plant-derived omega-3's offer unique heart-healthy benefits and may be even more effective than fatty fish and fish oils in lowering the risk of some coronary diseases. Recently, scientists have discovered that flax may play an important anti-inflammatory role in reducing immune system diseases. Flax ALA has been shown to lower blood levels of a compound called C-reactive protein or CRP. Reducing this inflammatory compound appears to be as important as lowering LDL cholesterol in preventing heart attacks and strokes.
Q. What are lignans?
A. Lignans are natural antioxidants that reduce the activity of cell-damaging free radicals, slow the aging process, and increase overall wellness. Flax contains up to 800 times more lignans than other plant sources, such as whole grains and legumes.
Q: How does flax benefit athletes and sports training?
A: Omega-3 fatty acid alpha-linolenic, ALA, an essential fatty acid found in flax, improves the metabolism of fats which is especially helpful with endurance sports, such as marathons. When a runner "hits the wall" and their glycogen stores are used up, the body begins burning fats. In this case, efficient burning of fats makes a difference in performance. ALA improves response time. Electrical impulses move from the brain to muscles across cell membranes which, as indicated earlier, are rich in ALA when consumed in the diet. Omega-3 fatty acids, such as ALA, are the most efficient fatty acids in allowing these electrical impulses to move from cell to cell. Thus, response time is improved. ALA aids in muscle repair at the cellular level. Omega-3 fatty acids present on the cell membrane significantly affect the speed and quality of tissue repair.
Q. What's the difference between omega-3 fatty acids from flax and those found in fish oil?
A. Flax is very high in the omega-3 fat ALA. This is the "essential" omega-3 fat because our bodies need it to be healthy. However, because our bodies don't produce it, we must consume it from other sources, like flax. Other omega-3 fats, EPA) and DHA, found in fatty fish, are vital for health, but not "essential," because our bodies can make them from ALA. All of these omega-3 fatty acids help decrease inflammation, which is a trigger for heart disease, diabetes, cancer, and arthritis. Flax is unique in that it also is a rich source of lignans, phytoestrogens that may reduce risk of cancer, as well as a rich source of fiber, which lowers cholesterol and maintains digestive health. Although fish doesn't have these benefits, it is a good source of protein. Fish can contain traces of mercury, and the FDA advises women who are pregnant, nursing, or may become pregnant, as well as young children, to avoid eating certain fish.
Q: Why is flax important to skin health?
A: These powerful antioxidants can reduce the activity of cell-damaging free radicals that are generated through oxidation in the body and thus, can help protect the skin from damage.
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Omega 3 fatty acids are usually essential compounds which are required for the growth and development of the human health. They are particularly recommended for persons suffering from heart disease. The main source of omega 3 fatty acids are fish and flax seeds.
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