Jay Fournier, the study's lead author, "What we found was that patients who are on the lower end of the severity, the medications weren't doing much more than the placebo was.

VOA: standard.2010.01.08

So we started collecting cereals and things like that from various countries, and found in this preliminary study, that it was the case, the American foods were sweeter.

我们从全球各地,收集了一些麦片之类的样本,研究发现,情况确实如此,美国的食品相对要甜一些

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选