So Mozaffarian and his colleagues studied the studies,eight of them, in which some participants ate less saturated fat and more polyunsaturated fats, the kind of fats that are in fish,nuts, and vegetable oils.

VOA: standard.2010.03.25

Okay, so which is worse: polyunsaturated fat, monounsaturated fat, or both are pretty good for you?

请回答哪个更有害,多不饱和脂肪,单不饱和脂肪,或者是两个都对健康有益

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 hear a lot about saturated fat, about polyunsaturated fat, monounsaturated fat.

你们应该都听说过,饱和脂肪,多不饱和脂肪,以及单不饱和脂肪

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And so,we wanted to do a systematic review of all the literature, find all of the appropriate studies and pool them to see if together, there's a benefit for replacing saturated fat specifically with polyunsaturated fat."

VOA: standard.2010.03.25

And so if that's not going to produce benefit, what sorts of replacements might?" Mozaffarian's study found that people who replaced saturated fat with polyunsaturated fat had about a 20 percent lower risk of heart attack or other heart disease.

VOA: standard.2010.03.25