然而，最近的动物研究资料表明人工甜味剂在胃肠道内有激活代谢的作用。
However, recent data obtained from animal studies demonstrate that artificial sweeteners play an active metabolic role within the gastrointestinal tract.
由于最近牵连到引起一些婴儿严重不良反应，包括呼吸问题、胃肠道紊乱以及一些其他疾病，人工合成 DHA/ARA 正陷入麻烦之中。
Recently implicated in causing severe reactions in some babies, including breathing problems, gastrointestinal upset, and other illnesses, synthetic DHA/ARA is on the hot seat.
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