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According to the definitions of most medical, psychological and psychiatric bodies, there is a commonality in the diagnosis of depression. Most depression tests have a very similar framework. Almost without exception, clinical depression will be diagnosed if a certain number of feelings, that are signs of depression, are present over a certain period of time. Current theory suggests those clinical depression results from complex interactions between brain chemicals and hormones that influence a person's energy level, feelings, sleeping and eating habits. These chemical interactions are linked to many complex causes--a person's family history of illness, biochemical and psychological make-up, prolonged stress, and traumatic life crisis such as death of a loved one, job loss, or divorce. Following are some of the common symptoms of clinical depression: * Markedly diminished interest or pleasure in all, or almost all, activities most of the day, nearly every day. * Significant weight loss when not dieting or weight gain, or decrease or increase in appetite nearly every day. Note: In children, consider failure to make expected weight gains. * Insomnia or hypersomnia nearly every day * Psychomotor agitation or retardation nearly every day * Fatigue or loss of energy nearly every day * Feelings of worthlessness or excessive or inappropriate guilt (which may be delusional) nearly every day. * Exhaustion on waking * Disrupted sleep, sometimes through upsetting dreams * Early morning waking and difficulty getting back to sleep * Doing less of what they used to enjoy * Difficulty concentrating during the day * Improved energy as the day goes on * Anxious worrying and intrusive upsetting thoughts * Becoming emotional or upset for no particular reason * Shortness of temper, or irritability * Restlessness or decreased activity noticed by others * Thoughts of suicide or death Teenagers may show depression by taking more risks and/or showing less concern for their own safety.
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Rachel Broune writes articles for www.depression-guide.com/ - He also writes for www.anxiety-depression-treatment.com/ and www.phobia.depression-guide.com/
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