有关老年前期和老年期头发微量元素含量的对比分析国内报道不多。本文于1987年随机观察了87例老年和老年前期健康男性头发中锌、硒,钻、锰和铜含量的变化,现报道如下。临床资料随机选择在长春市居住3年以上,生活水平相近的,排除明显的慢性疾患的没有染发史及锌(Zn)、铜(Cu)、硒(Se)、钻(Co)、锰(Mn)职业接触史的健康男性87例,年龄45～65岁。其中老年前期39例,老年期48例。发样采集颈 The comparative analysis of the content of trace elements in the hair of pre-senile and senile hair is not reported in our country. This article in 1987 random observation of 87 elderly and elderly healthy hair zinc, selenium, diamond, manganese and copper content changes are reported below. Clinical data Randomly choose to live in Changchun City for more than 3 years, living standards similar to exclude obvious chronic diseases without the history of the dye and zinc (Zn), copper (Cu), selenium (Se), cobalt (Co), manganese 87 cases of healthy male occupational exposure history, aged 45 to 65 years old. Of which 39 cases of pre-senile, 48 cases of old age. Hair sample collection neck