硒是人体必需的微量元素。1953年,Schwartz提出硒是机体不可缺少的一种微量元素。我国科学工作者经过多年的协同研究,于1973年首先提出硒与克山病的发生有密切关系,并进行了大量的临床干预研究,取得了明显的成效,从而肯定了硒是人体必不可少的一种微量元素。WHO也于1973年确认 Selenium is an essential trace element of the human body. In 1953, Schwartz proposed that selenium is an indispensable trace element in the body. After many years of collaborative research, our scientists first proposed that selenium and Keshan disease are closely related to each other and carried out a large number of clinical intervention studies in 1973, and achieved remarkable results, thus confirming that selenium is indispensable to the human body A trace element WHO also confirmed in 1973