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托福听力练习-科学美国人60秒:多吃维他命“要他命”

2017-05-06 09:11:00来源：科学美国人60秒

点击查看>>科学美国人60秒音频：多吃维他命“要他命”

　　科学美国人60秒听力练习：多吃维他命“要他命”

　　科学美国人60秒英文文本

　　It can be tough to keep up with dietary trends. Likeeating eggs: good for you or bad? But one thing iscertain. Taking a multivitamin is a healthy choice. Isn’t it? Not necessarily. Because researchers havefound that people who take dietary supplements maymake less healthful choices. The work appears in thejournal Psychological Science. [Wen-Bin Chiou andChao-Chin Yang, Ironic Effects of DietarySupplementation: Illusory Invulnerability Created byTaking Dietary Supplements Licenses Health-riskBehaviors, link to come]

　　Half the population uses some sort of dietary supplement, and that figure is on the rise. Yetwe don’t seem to be getting any healthier. So researchers took a closer look at how people whopop health pills actually behave. One group of volunteers was asked to take a dietarysupplement, the other group was told they were getting a placebo. In fact, both groupsreceived dummy pills. But it turns out that subjects who thought they’d taken a supplementmade less healthy choices, opting for the buffet instead of an organic meal and walking lessthan their supplement-deprived pals.

　　It could be that folks who supplement feel like they’ve already done their duty when it comesto their health. So they’re more likely to indulge. Which suggests that these pills might notmake us healthy, and certainly don’t make us smart.


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本文关键字: 托福听力 科学美国人60秒

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