Biological Marker May Indicate Suicide Risk

New research shows that elevated levels of a specific biomarker in the brain may increase chances for suicide attempts in people who suffer from post-traumatic stress disorder. UPI reports that researchers discovered people who suffer with both PTSD and suicidal thoughts have higher levels of metabotropic glutamatergic receptor 5 in their brains compared to those without suicidal thoughts. The study was published in Proceedings of the National Academy of Sciences. Researchers say testing for the marker could help identify patients at risk and prevent suicides.

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