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Omega-3 fatty acids 'may not protect against brain ageing' 26th September 2013 - A diet rich in omega-3 fatty acids may not offer protection against mental decline in older women, a new study suggests. There is evidence that omega-3 polyunsaturated fatty acids - primarily those found in oily fish - can help maintain a healthy heart and cut the risk of heart disease. Omega-3s have also been linked to a number of other health claims, such as protecting against osteoporosis and improving the symptoms of rheumatoid arthritis. Researchers in the US wanted to explore a theory stemming from some observational studies that increasing the intake of omega-3s could protect against age-related decline in cognitive brain function. Supplements "There has been a lot of interest in omega-3s as a way to prevent or delay cognitive decline, but unfortunately our study did not find a protective effect in older women," says study author Eric Ammann from the University of Iowa. "In addition, most randomised trials of omega-3 supplements have not found an effect," he adds. The study, which appears in the journal Neurology, involved 2,157 women aged 65 to 80 with normal brain function and who were enrolled in a clinical trial of post-menopausal hormone therapy.
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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.