叶酸可以说是人人皆知的营养素了，尤其是备孕女性，几乎都知道补充叶酸是为了预防胎儿神经管畸形。参考文献：[1] Burren KA, Savery D, Massa V, Kok RM, Scott JM, Blom HJ, Copp AJ, Greene ND. Gene-environment interactions in the causation o ...