网络社交与低死亡率2017托福听力

　　科学美国人60秒英文文本

网络社交与低死亡率2017托福听力

　　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.

　　科学美国人60秒中文翻译：

　　This is Scientific American — 60-Second Science. I'm Christopher Intagliata. 这里是科学美国人——60秒科学。我是克里斯托弗·因塔利亚塔。

　　Exercise and healthful eating are linked to better health—and so is having a decent circle of friends. 锻炼和健康饮食与健康密切相相关，同样也与良好的朋友圈相关。

　　Now it looks like that link between friends and better health is true for the major online social network, too: Facebook. 现在看起来，对在线社交网络脸谱网来说，朋友和健康之间的关系是真实的。

　　Researchers compared the health records of 12 million Facebook users to non-users, in California. 研究人员对加州1200万名脸谱网用户以及非用户的'健康记录进行了比较。

　　After controlling for things like age, race, and gender, 在控制年龄、种族、性别等因素后，

　　they found that being on Facebook was associated with a slightly lower risk of death in a given year. 研究人员发现，在给定年份中，脸谱网用户的死亡风险略低。

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