头发是人体的附属器官之一,并能反映人体的机能状况,这一问题已进行过大量的研究工作。头发中微量元素的含量能反映过去相当长时间内机体营养状况和代谢变化的情况。而不是反映采样时的机体状况。尤其是由于头发由角蛋白构成,含有丰富的二硫键,所以对某些金属元素具有特殊的亲合力。Hilderbrand等人指出,人的头发和其它组织不同,金属元素一旦结合在头发中,就不易再被重新吸 Hair is one of the body’s appendages, and can reflect the performance of the human body, this issue has been a lot of research work. Trace elements in the hair content can reflect the body’s nutritional status and metabolic changes in the past a long time. Rather than reflect the sampling of the body condition. Especially because the hair is composed of keratin, rich in disulfide bonds, so some of the metal elements have a special affinity. Hilderbrand et al. Show that human hair, unlike other tissues, is not easily re-absorbed once it is incorporated in the hair