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Study: Many Invasive Medical Procedures are the Result of Uncertainty, Not Evidence

April 15, 2013 6:07 PM
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Few of us are comfortable with uncertainty in any form, least of all when the status of our health is branded with the scarlet question mark. A new study set to publish this week in the journal JAMA suggests that fear of uncertainty is fueling a psychological dynamic that’s leading to more and more invasive procedures–whether or not we need them.

Dr. Sunita Sah of the Georgetown University School of Business led the study of 727 men between the ages of 40 and 75, each of whom were eligible to receive a prostate specific antigen test (PSA) — a prostate cancer screening exam that has come under debate recently for its erratic reliability.

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