為美國衛生機構官員提供谘詢的預防疾病服務工作組(The Preventative Services Task Force)說，對身體健康的男子而言，一種叫做PSA的簡單驗血可能弊大於利。
PSA, a simple blood test, is most likely to cause harm than provide benefit for a healthy man, said a group who provides consulting to U.S. health offcials called "The Preventative Services Task Force"
