Avoiding foods that are high in sugar is a good idea to begin with, but then paying attention to the glycemic index research would suggest is a very good idea as well.

从远离高糖食物着手是个主意,留意血糖指数研究也是一个不错的想法

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选