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为美国卫生机构官员提供咨询的预防疾病服务工作组(The Preventative Services Task Force)说，对身体健康的男子而言，一种叫做PSA的简单验血可能弊大于利。

The Preventative Services Task Force, a consulting group who provides advice to the United States health authority officials, claims that PSA, a simple blood test, can do more harm on a healthy male than good.