September 22, 2014

Why We Don't Need a Blood Test to Diagnose Depression

Blood Test Shutterstock

For those who are unfamiliar with this latest science story, researchers in the U.S. claim they can diagnose depression using a blood sample. Why would we need a blood test to do something professionals can already accomplish on their own in a fairly short period of time? The most touted benefit of this test seemed to be that it would offer the first "objective" measurement of depression. In the present case, the problem with trying to find an "objective" method of diagnosing depression is that "depression" and "diagnosis of depression" are two separate things.

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