A new study 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 brain chemicals, such as serotonin, the scientists found that the transmission of excitatory signals between cells becomes abnormal in depression.
URL: http://feeds.sciencedaily.com/~r/sciencedaily/mind_brain/depression/~3/MlKhuGoMTC4/130318105329.htm
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