1.Other studies have raised concerns that taking high doses of folic acid could raise the risk of colon cancer.
其他的研究也引起了关注，它们表明服用大量的叶酸会增加发生结肠癌的概率。
2.Iron and folic acid supplements are frequently given to pregnant women.
铁和叶酸补充剂常给孕妇服用。
3.The results suggest that folic acid or folinic acid can protect the less differentiated cells in the intestinal crypts.
结果表明，叶酸或亚叶酸可以保护肠隐窝中分化程度较低的细胞。
4."Many birth defects actually can be avoided if women use supplements of folic acid during pregnancy," he noted.
他说：“如果妇女在怀孕期间摄入足够的叶酸辅助品，很多出生缺陷完全可以避免。
5.But can people consume too much folic acid?
但是，人能摄入大量的叶酸吗？
6.Dietary supplements that contain folic acid can also be helpful to a women who is pregnant.
营养补充剂含有叶酸，对怀孕的妇女也是有帮助的。