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Es lo que escriben investigadores del Prince of Wales Hospital de Hong Kong en el "American Journal of Medicine". Son autores de un pequeño estudio realizado con 29 varones y mujeres sanos que presentaban elevados niveles de homicisteína. Se sabe que el ácido fólico disminuye las concentraciones plasmáticas de este aminoácido que se ha asociado a un mayor riesgo cardiovascular. Los participantes recibieron una dosis relativamente alta de ácido fólico durante un año y se midió su función endotelial.
Los resultados muestran que el tratamiento disminuyó los niveles de homocisteína en un 12%. La función endotelial mejoró y sus vasos mostraron mayos capacidad de dilatación a la hora de suministrar sangre rica en oxígeno a demanda.
Además, dado que niveles elevados del aminoácido pueden incrementar el riesgo de arteriosclerosis, los autores sugieren que el ácido fólico ayuda a mantener limpias las arterias.
Webs Relacionadas
Prince of Wales Hospital
http://www.ha.org.hk/
American Journal of Medicine
http://www.amjmed.org/