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 .
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 .
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 .
