来自《耶鲁大学开放课程：有关食物的心理学、生物学和政治学 第1集 第1集》

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  A lot of interesting reasons,
  值得思考的原因有很多
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  we've all heard the topic--
  我们都听过这样的词汇
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  the word chocoholic, sugar addict,
  巧克力成瘾 糖果成瘾
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  we hear the words withdrawal and things
  还有戒断反应之类的词
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  and that becomes an interesting part of the biology of food.
  这都是食品生物学中有趣的部分
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  But of course food has this cascade of effects
  当然 一旦食物进入我们的身体
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  once it enters our body.
  就会产生联动效应
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  It starts even before it goes in our mouth.
  食物甚至在还没入口时就已经起作用了
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  We sense food coming in,
  美食当前 食指大动
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  that sets into gear a series of metabolic
  身体从而启动一系列新陈代谢过程
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  and biological processes that are very interesting,
  和有趣的生物过程
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  and then of course once the food gets in the body
  而且 当食物进入身体