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。