一项研究发现，与低脂肪饮食的对照组相比，被指定连续5天吃高脂肪食物的健康成年人表现出注意力、记忆和情绪受损。

One study found healthy adults designated to a high-fat diet for five days showed impaired attention, memory, and mood compared with a low-fat diet control group.

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但这种功效最大的是在低脂肪饮食中。

But the benefits were greatest among those who ate a low-fat diet.

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其他人的说法则相反：低脂肪饮食使人们自然减肥。

Others have said the opposite: that low-fat diets enable people to lose weight naturally.

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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