"There is increased evidence that it helps shorten the duration of the common cold sometimes even by two to three days."

VOA: special.2011.04.20

He writes "The nations in cold locations particularly in Europe are filled with spiritedness." There is that platonic word again Thumos thumos are filled with thumos " "but lacking in discursive thought " lacking in the deliberative element in other words.

生存在寒冷地区的民族,特别是在欧洲,都充满了意志“，等同柏拉图的用词,“Thumos，他们都充满了,但缺乏推论的思考能力“,即缺乏商议的要素。

耶鲁公开课 - 政治哲学导论课程节选

Maybe that is why there are so many expressions that use the word cold.

VOA: special.2009.12.13