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人的头发除了有装饰仪容和保护头颅的作用外,从卫生学角度看,发中元素含量可以反映人体的健康状况。如患糖尿病的儿童发铬含量低,冠心病人发钙比正常人少,精神分裂症和早年性痴呆患者发镉和锰较少,铅和铁多。头发的生长速度比较恒定,生成率为0.3～0.5mm/日。分段测定发中成分时可以追溯某时期,某种成分的摄入情况,从而有助于了解环境污染与人体健康的关系。总之,怍为一种生
In addition to human hair decorated with grooming and the role of the protection of the skull, from a hygienic point of view, hair elements can reflect the health status of the human body. Children with diabetes, such as low chromium hair, coronary heart disease calcium less than normal people, schizophrenia and Alzheimer’s disease less hair cadmium and manganese, lead and iron and more. Hair growth rate is relatively constant, the rate of 0.3 ~ 0.5mm / day. Segmented determination of hair ingredients can be traced back to a certain period of time, a certain component of intake, which helps to understand the relationship between environmental pollution and human health. In short, 怍 is a kind of raw