The gene is a transporter of serotonin, a brain chemical involved with mood and desire for food.

VOA: special.2009.06.24

But in cultures where the food environment doesn't represent the conditions the brain expects, you've got a mismatch.

但是当你所处的食物环境,不符合大脑的预期时,理想和现实错位了

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

I just mentioned examples of that, so the organism seeks out fat, sweet, and variety and eating large amounts of food becomes a priority, at least according to the brain.

我仅仅是举了个例子,机体寻求脂肪,糖或其他食物,大量进食成了首要任务,至少大脑是这么认为的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

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