在七十年代,芬兰农产品含硒量低,故硒的摄入量非常低(0.02—0.03mg/天。因硒缺乏在中国被认为是心肌病(克山病译者加)的一个重要致病因素,一些流行病学研究表明血清硒浓度低伴有心血管病死亡及癌症危险陛的增加。故芬兰农产品是否硒适宜引起关注。继而从1984年秋开始,官方决定供用加 In the seventies, Finnish agricultural products contained low levels of selenium, so the intake of selenium was very low (0.02-0.03 mg / day.) The lack of selenium is considered as an important cause of cardiomyopathy in China Etiological factors, some epidemiological studies have shown that low serum selenium associated with cardiovascular mortality and increased risk of cancer, so whether the selenium of agricultural products in Finland is cause for concern.And then from the fall of 1984, the official decision for the use of plus