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Depression Stems from Miscommunication Between Brain Cells; Study Challenges Role of Serotonin in Depression, University of Maryland School of Medicine Reveals  
3/19/2013 7:26:22 AM

A new study from the University of Maryland School of Medicine suggests that depression results from a disturbance in the ability of brain cells to communicate with each other. The study indicates a major shift in our understanding of how depression is caused and how it should be treated. Instead of focusing on the levels of hormone-like chemicals in the brain, such as serotonin, the scientists found that the transmission of excitatory signals between cells becomes abnormal in depression.
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