Finding Simple Tests For Brain Disorders Turns Out To Be Complex

There are tests for heart attacks and diabetes, but few for brain disorders. Researchers are trying to change that, but are finding the hunt for biomarkers for mental illness to be a tough slog. Tests on the market, like ones for Alzheimer's, are not conclusive.

Source: http://www.npr.org/blogs/health/2013/07/08/198086616/MENTAL-ILLNESS-BIOMARKERS?ft=1&f=1007

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