糖會要了我們的命？ - http://cn.wsj.com/big5/20161227/LIF161227.asp 

http://www.vox.com/science-and-health/2017/1/13/14219606/sugar-intake-dietary-nutrition-science?curator=MediaREDEF

Aspartame, a popular artificial sweetener, has now been linked to learning and memory deficits - https://www.zmescience.com/medicine/aspartame-a-popular-artificial-sweetener-has-now-been-linked-to-learning-and-memory-deficits/