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A huge amount about what we know on diet and health-- like is too much sugar bad for you?
我们所知的大部分关于饮食和健康的信息,比如吃太多糖是否对身体不好
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physical tests, health tests, all those kind of things, like screenings, you know.
身体检查、健康检查，全是这些东西，好像筛检一样。
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Okay, too little of the healthy fat to protect the body, that's a possibility. Yes?
你说的是体内健康脂肪太少无法保护身体,这也是可能的,请说
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It's one of the pillars of healthy life, psychologically, physiologically.
它是健康人生的支柱之一，不论是心理上还是身体上。
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But I just love being healthy, feeling good about my body
但是我就是喜欢保持健康，对自己的身体感觉良好，
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and they get unhealthy about it.
而且他们的身体因此变得不健康。
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It keeps you healthy.
它能帮你保持身体健康。
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My body is more fit.
我的身体更健康了。
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but in the presence of the modern food environment that provides access to these things, and to foods like a pop tart with fifty-six different things in it, the body gets thrown off.
但在如今的饮食环境中,我们可以随时接触到像是果酱馅饼,这样的集五十六种成分于一身的食物,但却不利于身体健康
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Okay, so if you're underweight your body is depleting its fat stores and therefore that may make you unhealthy.
你的看法是如果体重过轻,身体会把储存的脂肪消耗尽,因此导致了健康问题
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Under-nutrition--now I'm going -this slide has a lot of information on it and I'm going to come back to it in the class where we talk about hunger, but I show it today because of course undernutrition can affect every single system of the body and can have devastating consequences on people's health.
营养不良,这张幻灯片上有很多关于营养不良的信息,以后讲到饥饿的时候,我会再回头来讲这张幻灯片,我今天让大家看是想告诉大家,营养不良一定会影响身体的每一个系统,并对人们的健康造成巨大的破坏
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The immune system is stronger, so it also helps in terms of physical health.
免疫系统更强，所以对身体健康也有帮助。
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Both have calories and energy, but they're of course much different from one another and how they affect people and what they do for a person's health.
都含卡路里和能量,但显然两者差异很大,它们对人们身体健康的影响是不同的
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A nutrient is considered a substance within the food, that's when it digests it, absorbs, promotes some bodily function, so that it has some metabolic health value when people consume it.
营养素是包含在食物中的物质,由人体消化,吸收,推动身体机能,食品必须具有值得人类去代谢的健康价值
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