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Our bodies are home to trillions of other organisms that influence our health—and probably our weight.
我們的身體有數(shù)萬億影響健康的其他生物,而它們可能對體重也有影響。
Researchers found that mice given gut microbes from obese humans became fatter than those that got microbes carried by slim folks.
研究人員發(fā)現(xiàn),被注射來自胖人腸道微生物的小鼠相比注射了瘦人中微生物的變得胖得多。
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.
當(dāng)胖瘦老鼠共享微生物,大個的會挑選一些有益的腸道菌群、提高新陳代謝。
But this shift only occurred if the mice were on a high-fiber, low-saturated fat diet.
但這種轉(zhuǎn)變只發(fā)生在高纖維、低飽和脂肪飲食的老鼠身上。
If they were on a junk food diet, no improvement.
如果小家伙進(jìn)食的是垃圾食品則沒有改善。
The findings are in the journal Science.
這項研究已經(jīng)在《科學(xué)》雜志上發(fā)表。
It’s not clear how humans might remodel our microbial communities to change health or weight class.
目前尚不清楚人類如何改造我們的微生物群落帶來更為健康或者苗條身材。
The mice in the study were raised in germ-free environments and had no native microbiomes of their own.
研究中的小鼠是生長在無菌環(huán)境而且自身沒有原生微生物。
In people, so-called fecal transplants have been reserved for more severe conditions than a bulging belly.
在人體內(nèi),所謂的糞便移植一直被貯存在更為惡劣的條件下而非一個鼓鼓的大肚囊中。
And probiotic products, such as yogurt, are minimally effective.
而且像是酸奶等的益生菌產(chǎn)品往往收效甚微。
But flat or fat, what your belly looks like on the outside might have a lot to do with what's on the inside.
但不管你的肚子外表看起來是胖是瘦，可能在內(nèi)部都要從事很多的工作。
