This normal weight animal like this has its whole equilibrium thrown off, its homeostasis thrown off when its dietary conditions change.

在饮食条件发生变化时,这些正常体重动物的生理平衡被打破,于是摈弃了原来的平衡饮食

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

That is, do people change their diets because they're keeping track of it?

也就是说,人们会改变自己的饮食记录,因为他们要保持自己记录的正常吗

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

How many grams of carbohydrate or fat should go into a normal diet?

在正常饮食中,应摄入多少糖或脂肪

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Some people can fight the brain off in this case, and control their food intake, maintain a healthy diet, and maintain a normal weight, but the number of such people in the population is shrinking by the day.

有些人可以抵制大脑的控制,控制食物的摄入量,维持健康饮食 保持正常体重,而今,这类人的数量日益减少

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选