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The team wanted to investigate the association between levels of long-chain omega-3 and omega-6 fatty acids in blood samples from 940 children and subsequent development of asthma and other allergic diseases.
The omega-6 fatty acid arachidonic acid, and the omega-3 fatty acids EPA and DHA, are converted into a wide variety of oxylipins with diverse and important signaling pathways that mediate a number of biological functions (Funk 2001).
Myth: We are not consuming omega-6 fatty acids in accordance with dietary recommendations.
But then there's always that nagging question: If future studies confirm that marine omega-3 and omega-6 fatty acids do build a faster, better canine learner with keener vision--is this truly to the owner's benefit?
The view that omega-6 fatty acids are primarily pro-inflammatory fails to consider the complex nature of omega-6 fatty acid metabolism.
Proponents of decreasing omega-6 fats from the diet say that because both types of polyunsaturated fats are metabolized in similar pathways, omega-6 fatty acids block omega-3 fatty acids from exerting their anti-inflammatory properties.
Sixty-seven adults (mean age, 42 years) with chronic headaches (93% of which were migraines) occurring a mean of 23 days per month were randomly assigned to 1 of 2 intensive dietary interventions for 12 weeks: a diet low in omega-6 fatty acids and high in omega-3 fatty acids (eicosapentaenoic acid [EPA] and docosahexaenoic acid [DHA]) or a diet low in omega-6 fatty acids and containing the low amount of EPA and DHA present in a typical US diet.
A study by Duke University researchers published in the Annals of the Rheumatic Diseases found that mice fed omega-3 fatty acid supplements had healthier joints than those fed diets high in saturated fats and omega-6 fatty acids, suggesting that certain dietary fats, and not simply body weight, can lead to osteoarthritis.
Many researchers think a higher intake of omega-3 fatty acids (found in meats and dairy products from grass-fed animals, flaxseed, seafood, walnuts and some leafy greens) reduces the risk of heart disease and, potentially, cancer by offsetting the too-high intake of omega-6 fatty acids in the contemporary U.