硒是人体必需的微量元素。对硒的这一新认识,是20世纪后半叶营养学上最重要的发现之一。中国医学科学家在硒的研究领域屡获硕果,为世界卫生组织(WHO)提供硒是人体必需的微量 Selenium is an essential trace element of the human body. This new understanding of selenium is one of the most important findings in nutrition in the second half of the twentieth century. Chinese medical scientists have achieved many successes in the field of selenium research, providing selenium to the World Health Organization (WHO)