Research in Africa suggests that giving de-worming medicine to primary school pupils reduces the prevalence of health problems that lower children’s concentration and attendance. A program to provide teachers with monetary incentives and professional training was recently established in Mexico, but research conducted to date has found no significant impact on educational outcomes.
在非洲进行的研究表明给小学生服用去除蠕虫的药物能够减少导致孩子注意力和出勤率下降的盛行的健康问题。一项给教师提供金钱激励和专业培训的计划最近在墨西哥实施，但是迄今为止所进行的研究并没有显示这对教育成果有何重要影响。