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微量元素的不平衡可能在某些疾病的病因和发病机制中起重要作用。由于微量元素在人发中的含量远比其在血液或尿中含量为高,因此许多研究者已经用头发作为观察微量元素在体内代谢和个体与环境接触的活检材料。
The imbalance of trace elements may play an important role in the etiology and pathogenesis of certain diseases. Since trace elements are much more abundant in human hair than in blood or urine, many researchers have used hair as a biopsy material for observing the metabolism of trace elements in the body and the individual's exposure to the environment.