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Many food products proudly advertise their omega-3 and omega-6 fatty acid content. I partially understand why. Unlike other fats (like omega-9 fatty acids), we must get these two polyunsaturated ones from our diets. That is precisely why they are known as essential fatty acids. As I have mentioned in previous posts, our present omega-6 to omega-3 ratio is completely off-balance, largely in part to highly processed diets that contain significant amounts of plant oils high in omega-6 fatty acids. Since soy is a subsidized crop, soybean oil is an inexpensive by-product commonly used in low-nutrition, low-cost snack foods. Corn and cottonseed oils are also very high in omega-6, while offering negligible amounts of omega-3 fatty acids. While saturated and trans fats are constantly mentioned in the realm of degenerative diseases (especially cardiovascular ones), dietary advice should also recommend limiting omega-6 fatty acids. While I do not think saturated fats are absolutely harmless, I certainly do not consider all of them (remember, there are many different saturated fats) to be horrible fats we must avoid like the plague. What is most interesting, though, is a simple look at consumption patterns over the past forty years. Among 18 – 44 year olds in the United States, saturated fat consumption clocked in at 30 grams per day in 1970, and 27.8 grams per day in 2005. Omega-6 fatty acid intake, however, was at 9 grams per day in 1970, and almost doubled to 17 grams by 2005. High intakes of omega-6 fatty acids have been linked to cellular inflammation — one of the main factors behind a substantial number of degenerative diseases. This is why I think everyone should prioritize omega-3 fatty acids and monounsaturated fats, then consider healthier saturated fats (like coconut and cacao), and leave omega-6 fatty acids and less healthy saturated fats (like that in cheese, pork, and chicken skin) last. Although omega-6 fatty acids are essential, they are so prevalent in so many foods that you would have to try extremely hard (and eat a significantly and dangerously limited diet) to not meet your daily requirement. I want to finish by making sure the main points of this post are understood: - Omega-6 fatty acids are NOT intrinsically unhealthy. We need to consume a certain amount every day for optimal health. - Very healthy foods are good sources of omega-6 fatty acids. I am not advocating total avoidance of foods that contain omega-6 fatty acids. - However, our consistently higher intakes of this particular fat need to be curbed, since more is certainly NOT better. FYI: in reference to this post’s accompanying photograph, there is no reason to ever supplement omega-6 in pill form. 2 Comments monounsaturated fat, omega-3 fatty acids, omega-6 fatty acids, omega-9 fatty acids, saturated fat
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Berlinski istraživač Peter Zinger tvrdi da su omega-3 masne kiseline glavni lijek za hipertenziju. Naime, znanstveno je i dokazano da omega-3 masne kiseline mogu smanjiti rizik od nastanka koronarne bolesti srca, ukupnog mortaliteta, kongestivnog zatajenja srca, infarkta miokarda te moždanog udara. Američko kardiološko društvo čak je izdalo preporuku o primjeni omega-3 masnih kiselina u prevenciji bolesti srca i krvnih žila. Preporučeni dnevni unos omega-3 masnih kiselina je 1000-2000 mg. Već i prije smo spominjali Omega-3 masne kiseline.