Some studies , including the new report , suggest dha supplementation in pregnancy reduces the likelihood of premature birth .

一些研究，包括最新报告，暗示孕期补充dha会减少早产的可能。

On the other hand , according to one study , supplementation in the absence of a deficiency didn 't enhance or suppress t cell immunity in a group of healthy seniors .

另一方面，根据一项研究，对一群健康的年长者来说，对于某项缺乏症的补充并不能增强或压制t细胞的免疫力。

The patients are more likely to be african-american and dark-skinned , and more likely to have been exclusively breast-fed for an extended period of time , without vitamin supplementation .

这些婴儿和儿童的父母更有可能是非裔美国人和深皮肤者，也更有可能是过长时间地单独依靠母乳喂养，没有给子女补充维生素。

According to stein , the participants had ms for an average six years , adding that it may be possible that earlier high dose supplementation may lead to different results .

斯坦因说，患病时间平均为6年的参与者认为，早期大剂量的补充可能会导致不同的结果。

Underpinning these recommendations is the notion that hormone supplementation can return us to our " natural " state of youthful vibrancy , as if aging itself were against nature .

上述建议源自这样一种观点，即通过补充激素能使我们返回到拥有青春活力的“自然”状态，就好似衰老是违反自然规律一般。