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The antimicrobial triclosan is a common ingredient in hand soap.
手工香皂中有一種常見成分:抗菌性三氯生。
But it's also found in shampoos, deodorants, toothpaste, even lip gloss.
但在香波、除臭劑、牙膏，甚至潤唇膏中也有這種物質。
So it's not too surprising that triclosan also shows up in blood, urine, breast milk and mucus.
因此也就不奇怪為什么在血液、尿液、乳汁以及其它分泌液中會檢測出三氯生了。
But here's the weird thing—those triclosan residues may actually boost bacterial growth in our bodies.
但是更奇怪的事情其實是—這些三氯生殘基也許能促進體內細菌的生長。
So says a study in the journal mBio.
這是根據在《微型生物》雜志上發表的一項研究報得出的結論。
Researchers swabbed inside the noses of 90 adults.
研究人員們提取了90名成年人鼻腔中的物質樣本。
37 of the 90 tested positive for triclosan—and those who did were twice as likely to have the bug Staphylococcus aureus living in their noses.
其中有37份對三氯生檢測呈陽性—這些陽性樣本中本人鼻腔中的金黃色葡萄球菌也是其他人中的兩倍。
Rats, too, were more susceptible to staph if fed triclosan.
如果喂食含有三氯生的飼料給老鼠，它們也呈現出更容易被金黃色葡萄球菌感染的情況。
Seems counterintuitive, but when bacteria are exposed to sublethal levels of antibiotics, they get stressed, and “they attach to surfaces and hunker down, in things we call biofilms."
看上去違反常理，但當細菌暴露在含有抗生素但是又不致死的環境中，它們受到這種脅迫，接觸到其表面然后沉降，形成一種我們稱之為生物膜體的物質。
That's study author Blaise Boles, of the University of Michigan.
這就是密歇根大學的布萊斯·波爾斯的研究內容。
He says that stash of staph could put your health at risk.
他表示金黃色葡萄球菌的囤積會危害到你的健康。
"Individuals that have Staph.aureus in their nose before they undergo surgery are about seven times more likely to get a Staph. aureus surgical site infection."
“手術前發現鼻腔中含有該菌的個體在外科手術的創傷感染上該菌的可能性要高7倍。”
Which is when you'll really need those antibiotics.
要是這種情況你就真的需要抗生素幫助了。
