Depressed mood is an enduring period of sadness without symptoms. Major depression syndrome is an enduring sadness with symptoms. Major depression syndrome includes the following symptoms: being depressed or irritable most of the day almost every day, reduced interest in activates you once enjoyed almost every day, significant weight gain or low and decrease in appetite, insomnia or oversleeping, agitation=n or retardation noticed by others, low energy and fatigue, felling worthless and inappropriate guilt, diminished ability to think and concentrate, and recurring thought of death and suicide. To have this diagnoses it must last a 2 week period and you must show a visible change in function and one of the symptoms must be depressed mood or uninterested in things you previously found pleasure in. depressed mood is an internalizing problem most common in adolescents and rare in children and adults.…