Most people would be surprised to learn that medical science does not know why and for whom most drugs we take today are effective. In fact, drug companies take a buckshot approach to drug manufacture, and then try them out on various diseases.
說來也許沒有人相信，目前我們所吃的藥，多半連醫界都不知道它為什麼有效、對誰有效，只是製藥公司用「亂槍打鳥」的方法，嘗試出來的結果。