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Too many fat people in the United States, so this will help them keep thin, you know.
美国有太多肥胖的人了，这样可以帮助他们保持苗条。
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People in the United States and increasingly in other countries around the world, are eating way too much fat.
美国人,还有越来越多其他国家的人,吃了太多的高脂肪食物
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Today we're going to talk about the two big ones that people are usually concerned with: carbohydrates and fat.
今天我们将讨论人们关心的两个大问题,碳水化合物和脂肪
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Does it mean that we're back to utilitarianism and using people and aggregating preferences and pushing the fat man off the bridge?
那是否意味着我们又回到了功利主义的老路上,利用他人，还简单加总偏好,把那个胖子从桥上推下去？
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than British people being, I don't know, really fat or...
要比大家认为英国人很胖要好……
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You can smell the bacon when people make it in the morning, the idea of French fries cooked in fat becomes appealing to people.
早上有人在烤肉时,你能闻到香味,富含脂肪的炸薯条对人很有吸引
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People need fat, and they need sugar, and they need variety--at least what their brain thinks.
人类需要脂肪和糖类,需要各种物质,至少大脑是这么认为的
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The total fat, only 38% of people are eating the recommended amount of fat.
总脂肪摄入,只有38%的人脂肪摄入达标
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Given these relationships between diet and health -you've got too few calories are bad, too many calories are bad, too much fat is bad, other things are good-- then, what should people eat?
考虑到饮食和健康的密切关系,比如热量摄入过低不健康,摄入过高也不健康,脂肪过多不健康,还有些东西是健康的,那么,人们到底应该吃什么呢
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When people are eating foods that are too high in fat and sugar and they eat these foods consistently, and have other bad nutrients like trans fats, a lot of bad things happen to the body.
如果人长时间吃,高糖高脂肪的,并含有不良成分如反式脂肪酸的食品,身体就会出现许多不好的反应
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Now there was a time when people thought fat was bad and it didn't-- and people didn't really understand there were different kinds of fat, or they didn't realize that different kinds of fat had different impacts on health.
曾经有段时期,人们认为脂肪是有害的,它不能...,人们当时不知道脂肪还分不同种类,所以就没有意识到,不同的脂肪对人体有不同的影响
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Gram for gram it provides a lot more punch in terms of calories than protein or carbohydrate, and that could be why fat has such an appeal to human physiology and why people like high fat foods.
每克脂肪比蛋白质或碳水化合物,提供更多卡路里的热量,这是人类身体对脂肪如此渴求的原因,人们为什么如此喜欢高脂食物
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They showed the vats of chocolate where people were stirring in things, and those evoke a lot of interesting sensations in people, a lot of interesting reactions in people because fat is inherently tasting good to us because it--there's reason for it to taste good because it provides so many calories.
人们往大桶巧克力中搅拌其他食物,这唤起了人们许多有趣的反应,这些反应很有意思,因为脂肪对人类来说是天生的美味,味道不错的原因是,脂肪提供了如此之多的热量
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The ones who would seek out calories, the ones who could store and not waste energy, those with an efficient metabolism-- that is those people who took in calories and banked them into their body fat and stored against subsequent famine-- are the ones who would do the best under these circumstances.
那些寻找能量的人,那些储存而不浪费能量的人,那些有着高效代谢系统的人,那些人可以将摄入的热量储存为机体脂肪,以用于对抗即将到来的饥荒,在早先的情况下他们是最适应环境的
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People--the fat content will vary a lot, and hence, the calories will vary a lot.
脂肪含量有很大差别,因此,热量差别也很大
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Now some people can some people may be turned off by those high fat foods.
现在有些人可以,有些人可能开始抗拒高脂食品
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The Government recommends that people have less then sixty-five grams of fat per day.
政府推荐,人们每天摄入少于65克脂肪
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So something about fat is driving people and as I'll explain in a subsequent lecture, What would it be about fat that makes it more reinforcing then protein or carbohydrate?
至于脂肪如何为人们供能,我会在以后的课上解释这点,为什么脂肪比蛋白质或碳水化合物,更能让机体变强
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Because if you were unfettered by all those environmental things that make people eat different kinds of foods, most of you would probably like the high fat, high sugar foods better; most of you probably still do.
因为如果你可以不受这些环境因素影响,摆脱让人们吃各种不同的食物的外因,大部分人都会更喜欢高脂食品,或者高糖食品,你们中的大部分人可能依然如此
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In that process there is a metabolic engine at work, and some people have an efficient engine so that the calories in get banked in the fat, other people have an inefficient engine, that is the calories get wasted as body heat and things like that, and they tend not to gain weight.
这过程中人体内有个工作着的代谢引擎,有些人的代谢引擎效率很高,热量便转化为脂肪储存起来,另一些人的效率低下,能量就以体温等形式被浪费了,因此他们就不容易发胖
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Fat is not all that much different, but one thing that's happened is the type of fat has changed a lot, and so people are eating less fat from plant sources and more fat from animals sources That's where the saturated fat comes in and high saturated fat intake is not a good thing.
脂肪摄入量相差无几,然而脂肪的种类却发生了很大变化,人们越来越少从植物中摄取脂肪,而更多是从肉类食物中获得,肉类食物中含有饱和脂肪酸,而过多地摄入饱和脂肪酸是有害的
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