硒与人体健康的研究进展

硒是人体三大抗氧化营养素之一,也是人体必需的微量元素.硒具有抗氧化、消除自由基、增强机体免疫等多种生理功能,同时在重金属解毒、保护心肌和心血管以及抗癌等方面也起到极为重要的作用.适当增加硒的摄入量,对维持身体健康、预防衰老、防治某些疾病的发生都具有重要意义.硒对机体具有双重作用,过量的摄入和补充硒可以导致硒中毒发生,应给与重视.

The research progress of selenium and human health

Selenium is one of the three antioxidant nutrients in the human body,it is also essential trace elements at the same time. Selenium can eliminate free radical, has antioxidant effect and can enhance body＇s immune function, at the same time, Selenium also plays a vital role in heavy metal detoxification and Prevention of cardiovascular disease and cancer and so on. In order to maintain good health and prevent aging and treatment of certain diseases, people should increase the intake of selenium appropriately. Selenium play a dual role in the body, excessive intake of selenium can lead to poisoning, So we should attach great importance to the problem of selenium poisoning.