Today, we're taking a look back at the complex history of nutrition science to try to understand how saturated fat became public enemy number one.

今天，我们回望过去，看看营养学的历史，试图去理解饱和脂肪是如何变成头号人民公敌的。

Given this environment, consumers should be skeptical when reading the latest finding in nutrition science and ignore the latest study that pops up on your news feed.

鉴于这种环境，消费者在阅读营养科学的最新发现时应该持怀疑态度，不要理会突然出现在你的新闻提要中的最新研究。

Christina Economos of Tufts University watches all this closely. She’s an associate professor at the Schools of Medicine and Nutrition Science.

塔夫茨大学的 Christina Economos 密切关注着这一切。 她是医学和营养科学学院的副教授。

Christina Economos of Tufts University watches all this closely. She's an associate professor at the Schools of Medicine and Nutrition Science.

塔夫茨大学的 Christina Economos 密切关注着这一切。她是医学和营养科学学院的副教授。

" Rather, it's the types of foods we eat that may be the long-term drivers" of those conditions, said Dr. Dariush Mozaffarian, a professor of nutrition and medicine at the Friedman School of Nutrition Science and Policy at Tufts University.

塔夫茨大学弗里德曼营养科学与政策学院营养与医学教授达里乌什·莫扎法里安博士说，“相反，我们吃的食物类型可能是这些疾病的长期驱动因素”。