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Depression in childhood and adolescence


Depression is a state of low mood and aversion to activity. It may be a normal reaction to occurring life events or circumstances, a symptom of a medical condition, a side effect of drugs or medical treatments, or a symptom of certain psychiatric syndromes, such as the mood disorders major depressive disorder and dysthymia. Depression in childhood and adolescence is similar to adult major depressive disorder, although young sufferers may exhibit increased irritability or aggressive and self-destructive behavior, rather than the all-encompassing sadness associated with adult forms of depression. Children who are under stress, experience loss, or have attention, learning, behavioral, or anxiety disorders are at a higher risk for depression. Childhood depression is often co-morbid with mental disorders outside of other mood disorders; most commonly anxiety disorder and conduct disorder. Depression also tends to run in families. Psychologists have developed different treatments to assist children and adolescents suffering from depression, though the legitimacy of the diagnosis of childhood depression as a psychiatric disorder, as well as the efficacy of various methods of assessment and treatment, remains controversial.

About 8% of children and adolescents suffer from depression. Research suggests that the prevalence of young depression sufferers in Western cultures ranges from 1.9% to 3.4% among primary school children and 3.2% to 8.9% among adolescents. Studies have also found that among children diagnosed with a depressive episode, there is a 70% rate of recurrence within five years. Furthermore, 50% of children with depression will have a recurrence at least once during their adulthood. While there is no gender difference in depression rates up until age 15, after that age the rate among women doubles compared to men. However, in terms of recurrence rates and symptom severity, there is no gender difference. In an attempt to explain these findings, one theory asserts that pre-adolescent women, on average, have more risk factors for depression than men. These risk factors then combine with the typical stresses and challenges of adolescent development to trigger the onset of depression.

Like their adult counterparts, children and adolescent depression sufferers are at an increased risk of attempting or committing suicide. Suicide is the third leading cause of death among 15-19 year olds. Adolescent males may be at an even higher risk of suicidal behavior if they also present with a conduct disorder. In the 1990s, the National Institute of Mental Health (NIMH) found that up to 7% of adolescents who develop major depressive disorder may commit suicide as young adults. Such statistics demonstrate the importance of interventions by family and friends, as well as the importance of early diagnosis and treatment by medical staff, to prevent suicide among depressed or at-risk youth.


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