This week,we tell about how thin monkeys live longer than fat ones, how aspirin can help colon cancer patients and some new information about Tyrannosaurus rex.

VOA: special.2009.09.01

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

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

They're the ones who would seek out high fat, high sugar diets because then they would get calories to seek out a variety of food, to eat in--eat above what immediate hunger might dictate.

这些人追求高脂高糖饮食,以获得足够能量,继而寻找更多种食物,饥饿驱使他们吃可以迅速果腹的食品

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

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

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And so these are the things people care about a lot and they're the ones that popular diet books are built around almost exclusively: that you should eat low fat, you should eat low carbs, high fat, they're all kinds of permutations of these that exist out there.

所以大量营养素是人们所关注的,它们也是,现在流行的饮食书籍所围绕的话题,类似人们应该吃的低脂或者应该低碳高脂,各种各样的说法都有

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选