公共经济学杂志中的一篇新的理论性论文甚至指出：对垃圾食品征税可能会增加肥胖人群，特别是增加那些积极锻炼的人当中的肥胖现象。

A new theoretical paper in the Journal of Public Economics even suggests that a tax on junk food could increase obesity, especially among physically active people.

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We'll talk about where it comes from, and the biological, economic, and political reasons that drive food to be certain things, and we'll talk about what it does to us and for us.

我们会谈到它的来源,生物学,经济学方面和政治方面的因素,是如何影响食品的,我们还会谈到它对我们的影响和帮助

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选