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。
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.
