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English

Supplements of folic acid (a form of folate) and vitamins B6 and B12 already have been shown to help, but researchers at Australia's Queensland University of Technology wanted to find out if dietary folate, vitamin B9, was also effective.

Spanish

Ya se ha demostrado que los suplementos de ácido fólico (una forma de folato) y las vitaminas B6 y B12 ayudan, pero los investigadores de Queensland University of Technology en Australia querían averiguar si la vitamina B9 también era eficaz.