As of yesterday, Duan Genghui, the North China sales director of Shen (Guangzhou) Infant and Young Child Nutriments Co., Ltd. (hereinafter referred to as Shen Company), which is in charge of communicating with Guo Li, stated that the quality issues of Shen milk powder have caused concerns. Reports indicated that as of yesterday, Shen (Guangzhou) Infant and Young Child Nutriments Co., Ltd., responsible for communicating with Guo Li, was questioned over the toxic components found in Shen milk powder. Why are infants and young children always the targets of such toxicity?