东芬兰大学的研究人员进行了其中一项缺血性心脏病影响因素的研究,被试者为2 000名中年或老年人,有关被试人群的饮食和心理状态信息均通过问卷调查和芬兰全国医院登记系统调取获得。研究人员对被试人群进行了跟踪性研究,期限为13~20年,发现在研究时期内健康饮食,尤其是富含叶酸的健康饮食,将有效预防抑郁症患病率。而食用不健康食物如腊肠、小吃、含糖饮料和烘焙食物等则大大增加了抑郁 Researchers from the University of Eastern Finland conducted a study on the influencing factors of ischemic heart disease. The subjects were 2,000 middle-aged or elderly people. The dietary and psychological status of the participants were analyzed by questionnaire and Finnish National Hospital Registration System access to obtain. The researchers conducted a follow-up study of the subjects with a duration of 13-20 years and found that healthy diets, especially those rich in folic acid, were effective in preventing the prevalence of depression during the study period. While eating unhealthy foods such as sausages, snacks, sugary drinks and baked goods greatly increased depression