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Like you wouldn't expect bananas, for example, to be a high glycemic index food but it is.
比如,你可能不认为香蕉,是一种高血糖指数的食物,但它确实是
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Why does your body experience one food as highly pleasant, highly reinforcing, highly comforting, highly soothing even, and experience those other foods as bitter and unpleasant?
为何身体能从一种食物中获得高度愉悦感,感到极度满足,舒适,甚至感到安抚,但却觉得其他食物难以下咽呢
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But if you take an animal and you give it a new food and then you shock it very painfully it won't avoid the new food.
但如果你给动物吃一种新食物,然后电击它，令其感到疼痛,它仍然会进食这种食物。
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Has anyone here ever had plum pudding?
因此李子布丁是一种英国食物？
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We are hard-wired to say, "Look. If I'm going to eat a new food and I'm going to get nauseous, " I'm going to avoid that food."
我们深信不疑地说，“如果我吃了一种新食物,感到了恶心，我就不会再吃这种食物了“
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If you ate the same food day after day after day, you'd have too many of some nutrients and too little of others, and you become nutritionally deficient.
如果你日复一日的只吃一种食物,某类营养就会过剩,而另一些则会不足,你就会营养不良
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So if you take an animal and you give it a new food and then you give it a drug to make it nauseous it will avoid that food.
所以，如果你给动物吃一种新食物,然后你喂它某种药物，让其感到恶心,它就会避免进食这种食物。
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Well what you do is you bomb the food and you use something called the bomb calorimeter that looks like this, and so essentially what you do is you put the food in this device that sits inside water.
我们要做的是燃烧食物,使用一种叫弹式量热器的工具,像这样,把食物放入这种仪器中,仪器会浸入水里
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