Reducing fat in the diet, especially saturated fat, was believed to be an important strategy to reduce heart disease.
VOA: standard.2010.03.25
I used to be fat when I was in high school.
我在高中的时候是个大胖子。
They're the magic nutrient books: carbohydrates, fat, whatever it happens to be, that's one theme you could follow.
它们是些神奇的营养学书籍,碳水化合物,脂肪,或者其它东西,都可以成为著书的主题
In any event, the saturated fats that are in these kinds of foods tend to be in the things that you associate with fatty foods like high fat meat, whole milk, etc., have a bad impact.
不论如何,这些食物中的饱和脂肪,正是你们通常称为高脂食品,如肥肉,全脂牛奶等,都是有害的
Gram for gram it provides a lot more punch in terms of calories than protein or carbohydrate, and that could be why fat has such an appeal to human physiology and why people like high fat foods.
每克脂肪比蛋白质或碳水化合物,提供更多卡路里的热量,这是人类身体对脂肪如此渴求的原因,人们为什么如此喜欢高脂食物
Because humans want to eat a lot, they want to bank their calories, they want to seek out foods that are high in sugar, fat, and variety, and if those are available then they're going to be eaten and we've got problems.
人们想要多吃,需要储存能量,人们一直在寻找高糖高脂的食物,如果找到,他们就会全部吃掉,然后我们就有麻烦了
It's also interesting that given the same level of nutritional problems -too much fat, too little fiber, too many calories, whatever it happens to be -not everybody is affected the same way, and some population groups are especially vulnerable, so we'll talk more about that later as well.
另一点值得关注的是,相同的不良营养水平下,太多脂肪,太少纤维,太高热量,无论是哪一种情况,人们受影响的程度不尽相同,有一些人群特别容易受到伤害,我们待会也会讲到这点
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