While the exact reasons are unknown, a diet of foods that quickly release sugar into the bloodstream is associated with a greater risk of Type 2 diabetes.

VOA: standard.2010.06.25

In order to have a completely balanced diet that's completely plant based, one has to be very careful about having a wide array of foods.

为了形成一个完全以素食为主的,平衡饮食结构,你必须非常注意,广泛摄入各类食物

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So you have the low fat diets, you have the low carb diets like Atkins, etc., and so--and even the experts who aren't out there trying to make a fortune on diet books have their own favorite foods and things.

比如低脂肪饮食,和阿特金斯的低碳饮食,即使是想靠出版食谱书赚大钱的专家们,也有自己偏好的食物

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

You can see in the New World with maize being important how America has become a corn dominated society, even though it's still true that we raise wheat, we raise other things in the United States, and we can import different foods, corn has become an incredibly important constituent of the diet in the U.S.

你能发现玉米在美洲大陆的重要性,那美洲是怎样变成主食玉米的社会的呢,尽管我们仍然种植小麦,在美国也种植其他粮食,而且我们能进口各种不同食物,但是玉米还是变成了,美国人食谱中不可代替的部分

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Now the fact that people were so reliant on certain foods led to deficiencies of certain nutrients, so people that were dependent on a rice based diet tended to have problems with deficiencies in protein, Vitamin A, and thiamine.

人们过于依赖某些特定的食物,导致了某些营养元素的匮乏,因此,以米饭为主食的人,很可能缺少蛋白质,维生素A和维生素B1

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选