網(wǎng)絡(luò)社交與低死亡率2017托福聽力

　　科學(xué)美國人60秒英文文本

　　This is Scientific American — 60-Second Science. I'm Christopher Intagliata.

　　Exercise and healthful eating are linked to better health—and so is having a decent circle of friends. Now it looks like that link between friends and better health is true for the major online social network, too: Facebook.

　　Researchers compared the health records of 12 million Facebook users to non-users, in California. After controlling for things like age, race, and gender, they found that being on Facebook was associated with a slightly lower risk of death in a given year.

　　Now, some of that could be explained by the fact that Facebook users might be more affluent, or have better access to healthcare. So the researchers did a second analysis—by looking only at Facebook and non-Facebook users on the California voter rolls, which is a sort of proxy control for socioeconomic status. And the association still held up. The study is in the Proceedings of the National Academy of Sciences.

　　Of course correlation does not equal causation. Posting more photos isn't going to increase your lifespan. But the takeaway here is that, in some cases—like when people tag you in their photos—that online world can reflect real world ties. Interactions on Facebook are thus reflective of your actual human relationships—and might even reinforce them. Which certainly seems like a thumbs up.

　　Thanks for listening for Scientific American — 60-Second Science Science. I'm Christopher Intagliata.

　　科學(xué)美國人60秒中文翻譯：

　　This is Scientific American — 60-Second Science. I'm Christopher Intagliata. 這里是科學(xué)美國人——60秒科學(xué)。我是克里斯托弗·因塔利亞塔。

　　Exercise and healthful eating are linked to better health—and so is having a decent circle of friends. 鍛煉和健康飲食與健康密切相相關(guān)，同樣也與良好的朋友圈相關(guān)。

　　Now it looks like that link between friends and better health is true for the major online social network, too: Facebook. 現(xiàn)在看起來，對(duì)在線社交網(wǎng)絡(luò)臉譜網(wǎng)來說，朋友和健康之間的關(guān)系是真實(shí)的。

　　Researchers compared the health records of 12 million Facebook users to non-users, in California. 研究人員對(duì)加州1200萬名臉譜網(wǎng)用戶以及非用戶的'健康記錄進(jìn)行了比較。

　　After controlling for things like age, race, and gender, 在控制年齡、種族、性別等因素后，

　　they found that being on Facebook was associated with a slightly lower risk of death in a given year. 研究人員發(fā)現(xiàn)，在給定年份中，臉譜網(wǎng)用戶的死亡風(fēng)險(xiǎn)略低。

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