微量元素硒对放疗病人有什么作用 马铁英 锦州市中心医院 скачать в хорошем качестве

微量元素硒对放疗病人有什么作用 马铁英 锦州市中心医院

微量元素硒对放疗病人有什么作用 马铁英 锦州市中心医院 硒是目前确定的人体必需的微量元素之一，号称长寿元素，也是保健品领域的热点。它可以抗癌，提高免疫力，保护心脑血管，保护肝脏，对很多慢性病人的防治都有作用。硒可以抗氧化，能清除自由基，在放疗中补充硒，可以抑制癌的转移，提高癌细胞对治疗的敏感性，还可以减轻治疗的毒副作用。但是要强调一点，硒的生物活性和毒性之间的范围极其狭窄，如果补硒过量会造成硒中毒，表现为食欲减退、毛发脱落、四肢乏力、头晕眼花、呼吸困难，所以我认为食物补硒更好不必担心过量。 What effect does microelement selenium have on radiotherapy patients Selenium is one of the essential trace elements for human body, Known as longevity element, It is also a hot spot in the field of health products. It can fight cancer, Strengthen immunity, Protect the heart and brain vessels, Protect the liver, It can prevent and cure many chronic patients. Selenium is antioxidant, Free radical scavenging, Supplement selenium in radiotherapy, It can inhibit the metastasis of cancer, Improve the sensitivity of cancer cells to treatment, It can also reduce the side effects of treatment. But to emphasize one point, The range between biological activity and toxicity of selenium is extremely narrow, If excessive selenium supplement can cause selenium poisoning, The symptoms include loss of appetite, hair loss, weakness of limbs, dizziness and dyspnea, So I think it's better to supplement selenium with food without worrying about excess.