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If one follows a diet that would be derived from the glycemic index; you're likely to have a pretty healthy diet.
如果一个人遵循基于血糖指数的饮食计划,你会得到一个相当健康的饮食
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You join them during the second semester of your sophomore year and
你在大二的第二学期才能加入饮食俱乐部。
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Okay, so the eating disorders that would -might push weight low might be causing some of the health consequences. Yes?
你说的是饮食不规律导致的体重过轻,会引起健康问题,请说
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You were saying that for some people even Kashrut was being redefined.
你是说，对于一些人来说,连犹太教的饮食教规都在改变。
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Now if you've gone to the doctor, often they'll measure your triaglyceride level as a measure of how healthy your liver is and how healthy your diet is.
现在如果你去看医生,他们通常会测你的甘油三酯水平,以此作为你的肝健康和饮食健康的指标
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But overall, you want to make sure you have a healthy diet.
但整体上，你要确保你有一个健康的饮食习惯。
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Now the first the eat food: well he has a long discussion, and as you'll know from the book, about what is food?
他做了大篇幅关于饮食的讨论,你可以从书中了解到,什么是食物
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Now you get interesting relationships here because diet is related to heart disease, it's related to cancer, it's related to stroke, and it's related to Diabetes.
你可以找到一些有趣的联系,因为饮食与心脏病,癌症,中风和糖尿病都有关系
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Well we've talked about some of these already, but there are a ton of ways that inaccuracy can get introduced when you start assessing what people are eating.
我们已经讨论过一些了,但当你开始估算人们的饮食时,有很多方面,会造成误差
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Well that counts on your ability to accurately assess what people are eating, or what the whole population is eating, and so measuring population intake is incredibly important to dietary recommendations.
要想准确评估人们在吃什么,或者整个,人类在吃什么,这只能依靠你的能力,所以统计总体摄入量,对饮食方面的建议非常重要
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Well, one way to understand what's good to eat for you is first to know a little bit about what you're eating, and that's where that daily plate exercise came into play.
要想了解吃什么好,方法之一是,首先了解一下你吃的是什么,在这里日常饮食规则将发挥作用
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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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And I do that very precisely because it'll teach you a little bit about how easy or difficult it is to do it and what kind of information you retrieve from a dietary assessment.
我这样要求是因为,这能教给你,做评估的难易程度,以及你们能从饮食评估中得到何种信息
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What we'll--later in the course we'll talk about how much of your body has been influenced by corn; how much of your diet is influenced by corn; how many products you touch in a given day have been derived in some way from corn.
我们会在以后的课堂上讲到,玉米对你身体有多少影响,玉米对你的日常饮食又有多少影响,一天之内你接触到的产品,有多少是由玉米加工而来的
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As I mentioned before is one example on the risk for breast cancer in women, so you'd randomly assign half to following their usual diet, the other half to an intervention program where people are prescribed a low fact diet, given counseling and interventions from dieticians and things, and then you look to see what happens for risk as people go forward in time.
我之前提过,这例子研究的是,女性的乳腺癌发病率,你将随机选择其中一半人按一般习惯饮食,另一半人则参与一个干预计划,其中每人都要食用,由营养学家设计推荐的低脂肪菜单,然后再看随着时间推移,被试者的发病率是怎样变化的
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You measure health and you measure a factor like diet, you measure other factors that might be related as well.
你衡量其健康及饮食,还有很多其他可能有关的因素
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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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In order to have a completely balanced diet that's completely plant based, one has to be very careful about having a wide array of foods.
为了形成一个完全以素食为主的,平衡饮食结构,你必须非常注意,广泛摄入各类食物
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That will give you insight into how these studies are done on diet and health.
这些使你深入了解,该如何研究饮食和健康
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They're not due--the first one's not due until next Monday or Wednesday, so you can pick any three days to do it during that period of time.
第一份作业的截止日期是下周一或三,因此你可以任意选择三天来记录饮食
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We see what the environment has become and here you see something where there's deep fried Twinkies, deep fried candy bars, deep fried onions, and deep fried Coca-Cola.
我们看到饮食环境变成了什么样,你能看到各种油炸食品,油炸夹馅面包,油炸糖果条,油炸洋葱,以及油炸可口可乐
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Now again we're not-- the purpose of this class isn't to have you improve your diet, if that happens that's fine, but that's not the purpose of the class.
现在再次重申,本门课的目的不是改进你的饮食,如果你的饮食因此改善,那很好,但是这不是本门课的目的
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This graph shows some of it as well, but in this case for children, in the left hand side you see the ideal composition of the diet according to government recommendations that the diet should be partitioned in this way.
这个图表也揭示了一些类似的事实,不过是在儿童饮食中的情况,在左边你看到的是理想的饮食组合,按照政府的推荐食谱,食物应该这样搭配
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If you followed a diet where you ate less junk food and ate more fruits and vegetables, for example, just those two little rules you would help shift around this balance of sugars in a way that would benefit health.
如果你遵循一个饮食原则,比如,少吃垃圾食品多吃水果和蔬菜,仅仅这么简单的两条,就会在一定程度上帮你调节糖类摄取平衡,这个对健康有好处
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So you could have--be consuming fat that is in itself good for heart health let's say, or maybe protective against cancer in some ways, but it's also adding calories to the diet, so you want to have the optimal amount of fat and not over-consume it because of the calories.
所以你可能是在食用,有益于你心脏健康的脂肪,打个比方,又或是在某种程度上可以抗癌,但它也给你的饮食增加了热量,因此为了减少热量应该食用适量,而非过量的脂肪
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I mean sometimes if you have things that are a mixture of foods, like you go out for Chinese food or you have a casserole somewhere, or you have some dish of vegetables mixed together, how do you make sense of that when it comes to entering these things into a record.
我是说,有时候有一堆食物在你面前,如出去吃中餐,或你面前有一份大杂烩,又或者是很多蔬菜混合在一块,在输入饮食记录的时候,怎样才能让你输入的东西有意义呢
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Let's say, just say that you're wanting to change your own diet to improve your health.
比如说,你想改变自己的饮食习惯,使自己更健康
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It's your own decision to eat Okay. The man is in charge of his dietary destiny.
吃什么该由你自己做主,很好,男人应该掌控自己的饮食命运
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You want to look at the effect of a low fat diet.
你想要知道低脂饮食的效果如何
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If you eat food for a long time and then you stop, let's say a high sugar diet or something and withdrawal symptoms occur, well that might mean addiction is occurring.
如果你长期吃某种食物,一旦停止食用,例如高糖饮食之类,就会出现戒断反应,这也许说明你已经上瘾了
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