And there's not much science behind how what researchers called "aggressively low" salt targets might affect human health.

至于研究人员所谓“过分低的”盐摄入量目标会影响人体健康，并没有具体的科学依据。

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The new research, however, suggests that tiny amounts of the mood medication well below levels that might be of any concern to human health can affect wildlife behavior.

WSJ: Anxiety Drug in Rivers Affects Fish Behavior