As often happens in nutrition or any other discipline, new research will trigger doubt about formerly accepted viewpoints. So goes the research on omega-3 fatty acids. A recently published article in the Journal of the American Medical Association (JAMA) has questioned the value of omega-3 supplements taken for heart health.
According to the study done at the University Hospital of Ioannina in Greece, fish oil supplements containing omega-3s did not reduce risk of heart disease or risk of death from heart disease.
The researchers compiled and analyzed results from 20 different randomized trials of approximately 68,000 patients. Although the findings indicated that the supplement users had a lower rate of heart-related death when compared with the placebo users, the researchers found that the reduction in risk was not significant.
Studies, such as the one published in JAMA that combine results of different trials, are called meta-analyses. One benefit to this type of research is that studies with small numbers of participants that have similar study characteristics can be combined to improve the accuracy of the results. Greater numbers lessen the risk of results occurring by chance. However, the results need to be interpreted with caution because one poor study can put the entire analysis at risk.
One critique of the current study is that many of the participants included in the meta-analysis were heart patients with illnesses. These individuals may not have experienced the benefit from the supplementation as might have been seen with healthy participants.
It has been noted in the past that people who consume fatty fish such as salmon, sardines, and mackerel, have a lower risk for heart disease. And it may just be that food sources of omega-3 fatty acids offer greater benefits than supplements.
Foods contain many substances, some in trace amounts, that when acting together with nutrients such as omega-3s, provide more health benefits than when taken as a single supplement.
If you wish to increase your intake of omega-3s but want to skip the supplement route, then increase your intake of fatty fish such as salmon, sardines, and mackerel. The fatty acids from animal sources offer the biggest health benefits. The American Heart Association recommends two servings of fish each week with restrictions for children and pregnant women.
Vegetarian sources of omega-3s include canola and soybean oil, flaxseeds, walnuts, Brussels sprouts, kale, and spinach. A fat burning overview can help you establish a clear describe of what you demand to focus on to accomplish your fat loss objective if you're a beginner; or serve as a reminder for those who are at an advanced or more advance step of their weightloss strategy. Applying are seven steps that can serve as instructions for your own weight loss plan. The first thing that one must understand is that losing weight and losing fat is not the same. Many weight loss applications have misled people into thinking that it is the same, but most diets and weight loss applications only work by causing a person's body to burn more muscle tissue and water than actual body fat, more help please visit The Fat Loss Factor. Plant omega-3s do not have the same effect as the fish fatty acids, but are still a healthy nutrient to consume.
Visit EatingWell and Epicurious for tasty, healthy recipes.
Photo Credit: John Kasawa/FreeDigitalPhotos.net
The articles written by Andrea Wenger, Birmingham Diets Examiner, are for informational purposes only and are not to be used in the place of medical advice. Please contact a licensed physician or other medical professional before changing any health care routine or before starting any diet, fitness, or exercise program. Although every effort has been made to include the most current information, new information is released daily and may cause some recommendations to change.
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