微量元素硒在体内有多种生物功能,硒缺乏可导致机体产生多种疾病。近年报道大骨节病区水、土、粮、人发硒含量均低于非病区;并发现土、粮硒含量与人发硒正相关,提出大骨节病与外环境中低硒状态有关。并有用硒防治大骨节病收到疗效的报 Selenium in the body has a variety of biological functions, lack of selenium can cause the body produce a variety of diseases. In recent years, it was reported that selenium contents in water, soil, grain and human hair in Kashin-Beck disease area were lower than those in non-disease area. It was also found that selenium content in soil and grain was positively correlated with human hair selenium, suggesting that Kashin-Beck disease was associated with low selenium status in external environment. And useful selenium prevention and treatment of Kashin-Beck received the efficacy of the newspaper