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Being in a warmer environment,up to a point, will lead to decreased energy expenditure and therefore, at the same amount of food intake,weight gain."
VOA: special.2010.12.21
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What did you learn about how easy or hard it is to keep track of what food intake is?
你从记录食物摄入过程中,学到了什么,记录饮食是难是易
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There will be days when you're very busy, you don't have time to eat and your food intake is lower then normal.
有些天你可能很忙,没有时间吃东西,你的食物摄入就比平时少
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Well, we'll sort through all these and discuss what a society might do to help change food preferences and food intake patterns in the society.
我们会通览所有问题然后讨论社会该做些,什么来帮助我们改变饮食偏好和饮食习惯
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Well there are methods that get used to track population intake and methods to track individual food intake, and let's talk about each of them.
有的方法,用于追踪总体摄入量,有的方法追踪个体食物摄入量,让我们分开来谈
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That the average--- the people were reporting consuming eleven, 1200 calories or something, but when their food intake was actually measured it was over 2 000 calories.
实验对象汇报的,卡路里是1100或者1200卡,但他们实际食物摄入量,超过了2000卡
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Well, the only way you know is to do studies-- and we'll talk about how these are done in the next class-- linking dietary behavior, food intake with health.
了解这些的唯一方法是做研究,而在下一节课,我们会谈论具体过程,联系饮食习惯,食物摄入与健康
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When we talk about methods to track individual food intake, there are different ways of doing this, different methods that get used and they have different levels of accuracy.
说到有关探寻,个体食物摄入的方法,有几种不同的方法,不同的方法,精确度也不同
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There is a researcher at The Harvard Medical School named David Ludwig who's done a terrific series of studies on the glycemic index and found how it relates to food intake, body weight regulation, and health.
在哈佛医学院有一个研究员,名叫大卫·路德维格,他在血糖指数方面,做了一系列出色的研究,并发现了血糖指数与食物摄取,体重控制以及健康之间的关系
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Now when I asked you to start keeping the dietary records, I asked you not necessarily to change your food intake because we wanted you to have an accurate record of what you typically ate.
当我让你自己保留饮食记录,我告诉你没有必要改自己的食物摄入记录,因为我们想获得准确数据,关于你一般吃什么
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Although most of you would probably say "well it's--all these things are involved, at least to some extent,"society defaults to certain assumptions about what's driving food intake and there are some people that default to an environmental explanation of this.
尽管你们大部分人可能会说,"和以上这些因素都有关系,至少有些关系",社会共识,某些原因造成了我们摄取过多垃圾食品,一些人把这归咎于环境原因
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Now several lectures down the road we'll talk about modern food and epidemiology; that is what the research on food intake and human health, and what do we know about our health and well-being based on diets.
接下来的几堂课,我们将讨论现代食品和流行病学的关系,即食品摄入与人类健康方面的研究,我们通过饮食来了解自身健康状况
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Some people can fight the brain off in this case, and control their food intake, maintain a healthy diet, and maintain a normal weight, but the number of such people in the population is shrinking by the day.
有些人可以抵制大脑的控制,控制食物的摄入量,维持健康饮食 保持正常体重,而今,这类人的数量日益减少
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A food frequency--by the way, you also have the issue of whether the particular twenty-four hours that a person is interviewed is representative of their diet overall, because you can imagine how much your food intake varies from day to day.
食物摄取频率,顺便说下,还有一个问题,就是在选取的24小时里,测试者,是不是对总体有代表性,因为你可以想象,每天事物的摄入量都是不同的
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Then at the end of the day what you'll get is something that looks like this which will be a whole day's worth of food intake and then this is what I'd like you to print out and then write about in your concept sheets.
一天结束后你就会得到,类似这样的一天食物摄入值,这就是我希望你们打印出来的,并且在你们观点报告中谈论的
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The first one that I'd like to mention today is Christina Roberto who is a grad student who is working at The Rudd Center who's right here, a teaching fellow for the class, is going to be doing some very interesting work on health policies and people's food intake.
今天我想介绍的第一位是,克里斯蒂娜·罗伯特,她是在路德研究中心工作的研究生,她也是我们班的助教,正坐在下面,她将要从事一些关于,医疗卫生政策和人类食物摄取的有趣工作
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There are other things that would qualify as food, but the not too much of course has to do with over-- intake of certain nutrients, the calories; and then eating mostly plants tends to be a pretty good idea.
辣奇多绝对不能算作食物,至于"适量饮食"则应参考,某些营养素及热量的摄入量,而"植物为主"是一条非常好的建议
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