Study Finds Link Between Fish Oil Supplements and Stroke risk
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According to a study published in BMJ Medicine, regular use of fish oil supplements might increase the risk of first-time heart disease and stroke among those in good cardiovascular health but may slow the progression of existing poor cardiovascular health and lower the risk of death.
Cardiovascular disease is the leading cause of death worldwide, accounting for about one-sixth of overall mortality.
Fish oil, a rich source of omega-3 fatty acids, containing eicosapentaenoic acid and docosahexaenoic acid, has been recommended as a dietary measure to prevent cardiovascular disease. Although some epidemiological and clinical studies have assessed the effect of omega 3 fatty acids or fish oil on cardiovascular disease and its risk factors, the findings are inconsistent.
In the study, researchers analysed data from 415,737 UK Biobank participants, aged 40-69, to estimate the association between fish oil supplements and the risk of new cases of atrial fibrillation, heart attack, stroke, heart failure, and death. They assessed the progression from good heart health to atrial fibrillation, major cardiovascular events, and death. Their health was tracked using medical records until March 2021 or until death.
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