【Earth&Sky】野生鱼群受到抗抑郁药物干扰_英语听力练习mp3下载-自然-沪江听力酷

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【Earth&Sky】野生鱼群受到抗抑郁药物干扰

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Antidepressants may benefit people, but they’re not much help to fish. That’s according to Melissa Schultz, an environmental chemist at the College of Wooster, in Ohio. She said that antidepressants and other medications we excrete and flush down the toilet are [-----1-----] in rivers, possibly harming wildlife.

Melissa Schultz: We’re just really beginning to understand how these chemicals do affect fish.

Schultz [-----2-----] with biologists who exposed a group of farm-raised minnows to trace levels of antidepressants — in particular, to a drug known as Effexor — and then analyzed the results.

Melissa Schultz: At low levels, the levels we’re seeing in the environment, it can affect the young fish so they can’t respond as fast to [-----3-----] . What that can translate to in the environment is perhaps a predator could come upon them and they’re not going to be able to react as fast and basically they’re going to end up being someone’s lunch.

[-----4-----].

Melissa Schultz: Maybe ten years from now will be commonplace. You know you’re taking certain pharmaceuticals. You might have some sort of filter in your toilet so that they’re removed before that water even goes to the waste water treatment plant.

In the meantime, people can help preserve [-----5-----] by throwing unused medications in the trash, instead of flushing them.

I am Joel Block from E&S, a clear voice for science. We are at E&S. org.