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Systematic review
Meta analysis suggests that folic acid supplementation does not reduce risk of stroke, but there may be some benefit when given in combination with vitamins B6 and B12 and in primary prevention

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Footnotes

  • Competing interests GS received research funding from the Heart and Stroke Foundation of Onatario, Canada, the Canadian Institutes for Health Research, Department of Research at St Michael's Hospital and Connaught Foundation (University of Toronto).