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Clinical depression is very common. Over nine million Americans are diagnosed with clinical depression at some point in their lives. Many more people suffer from clinical depression because they do not seek treatment. They may feel that depression is a personal we ....

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.... neurotransmitters are not produced in sufficient quantities in a depressed person’s brain. Because of this lack, too few messages get transmitted between neurons and the symptoms of depression occur. In Clinical depression the chemicals in the brain are out-of-balance. New technology allows researchers to take pictures of the brain that show activity levels in the brain. These imaging techniques such as f-MRI and PET scan actually create images of how active different parts of the brain are. Some studies with these kinds of techniques have suggested that the patterns of activation in the brains of depressed people are different than those who a ....