Folic acid cuts stroke deaths

The requirement to add folic acid to enriched grain products in the US and Canada to reduce spina bifida has also reduced annual stroke deaths in the over-40s by 13,000 in the US and 2,800 in Canada, according to a US study (

Folic acid reduces blood levels of homocysteine, a marker associated with stroke. Pictured is a polarised light micrograph of folic acid crystals.


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