榆林小学生牛奶“中毒”事件又让蒙牛紧张了一把,直到权威部门检验结果未发现致病细菌。专家判断,这多半是“乳糖不耐”惹的祸。乳糖不耐症是因为个别人群缺少由小肠细胞分泌的乳糖 Yulin primary milk “poisoning ” event let Mengniu nervous, until the authority of the test results did not find pathogenic bacteria. Expert judgment, this is mostly “lactose intolerance ” blame. Lactose intolerance is due to the lack of lactose secreted by small intestinal cells in individual populations