In this case, this book by Willett the researcher that I mentioned before at Harvard, he's written this book called Eat, Drink and Be Healthy, and it's a very good guide.

威莱特有一本著作,我之前在哈佛曾提到过这位学者,他写了一本书叫《吃好,喝好,身体好》,这是个很不错的饮食指南

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选