一、争论的由来1985年,一位美国精神病学家 Barrett 在著名的美国医学会杂志上发表了题为“商业头发分析是科学还是诈骗”的文章,尖锐地对头发分析进行了批评。他的实验是采集两个健康少女的头发,长为15cm,分别重60g 和36g,洗净后,剪成1—2cm 的小段,均匀混合,制成每份样重0.5～2g 的发样26个。然后分寄13个商业头发分析实验室 First, the origin of the controversy In 1985, an American psychiatrist Barrett published in the famous Journal of the American Medical Association entitled “Business Analysis of the hair is scientifically or scams,” the article sharply criticized the hair analysis. His experiment is the acquisition of two healthy girls hair, length 15cm, respectively, weighing 60g and 36g, washed, cut into 1-2cm small pieces, evenly mixed to make each sample weighing 0.5 ~ 2g 26 A Then sent 13 commercial hair analysis laboratory