s and expectations. It implies that psychological problems are caused by multiple risk factors that operate together and influence one another.
             The Diagnostic and Statistical Manual of Mental Disorders is a manual that has been issued by the American Psychiatric Association. It provides a complete list of mental disorders and their definitions in terms of significant behavior patterns so that diagnosis based on it will be reliable. The manual gives careful descriptions of symptoms of different disorders to reinforce consistent diagnosis.
             Mood disorders are disturbances in mood or prolonged emotional state; it is also commonly referred to as affect. Most people are capable of being at either end of the emotional spectrum depending upon the circumstances. People with mood disorders seem to get stuck at one or the other end of the emotional spectrum. Depression is the most common mood
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