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托福听力练习-科学美国人60秒:微生物使人看起来胖

2017-02-21 17:33:00来源：科学美国人60秒

点击查看>>科学美国人60秒音频：微生物使人看起来胖

　　科学美国人60秒中英文翻译：微生物使人看起来胖

　　科学美国人60秒英文文本

　　Our bodies are home to trillions of other organisms that influence our health—and probably our weight.

　　Researchers found that mice given gut microbes from obese humans became fatter than those that got microbes carried by slim folks.

　　When the husky and lean mice shared microbes with each other, the bigger ones picked up some of the beneficial gut flora—and had improved metabolisms.

　　But this shift only occurred if the mice were on a high-fiber, low-saturated fat diet.

　　If they were on a junk food diet, no improvement.

　　The findings are in the journal Science.

　　It’s not clear how humans might remodel our microbial communities to change health or weight class.

　　The mice in the study were raised in germ-free environments and had no native microbiomes of their own.

　　In people, so-called fecal transplants have been reserved for more severe conditions than a bulging belly.

　　And probiotic products, such as yogurt, are minimally effective.

　　But flat or fat, what your belly looks like on the outside might have a lot to do with what's on the inside.

　　中文翻译请点击下一页

本文关键字: 托福听力练习 科学美国人60秒

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