微量元素对老年人健康的作用与危害

介绍了微量元素的生理功能，微量元素与衰老，长寿和老年人冠心病，高血压，脑血管疾病，肿瘤，糖尿病等五种常见病的关系。还特别介绍了锌对人类健康的作用和铅对人类健康的危害。老年人体内有益的微量元素，如铁，锌，锰，铬，硒等比较缺乏，相反镍，铅，铝等有害的微量元素比较高。长寿老人头发中有益微量元素锰，钴，硒，铜，锌，铬等均有较高水平。人要长寿，必须维持体内微量元素的水平，微量元素过低或者过高应及时通过食疗或药物治疗进行调节。

Effect and Harm of Trace Elements on the Old People Health

A review with 11 references is given on the effect and harm of trace elements on the old people health icluding trace element's physiological functions, the relation between elements and senile, long- life and coronary heart disease (CHD), hypertension, cerebrovascular, cancer, diabetes, the effect of Zn and harm of Pb to people. In the old people's body benefical trace elements like Fe, Zn, Mn, Cr, Se is low, and harmful trace elements like Ni, Pb, Al is high. In the long-life old people s hair Mn, Co, Se, Cu, Zn, Cr is high. If people have long live, must maintain the balanced condition of trace elements, low or high of trace elements must to treat by food and drug.