The article you requested is

Academic Highlights: An Update on Depression in Children and Adolescents

J Clin Psychiatry 2008;69(11):1818-1828

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According to the National Alliance on Mental Illness, at any one time, about 2% of school-aged children and 4% of adolescents appear to experience depression. Pediatric depression often results in physical, emotional, and social impairment, which may persist into adulthood. Recognition and effective treatment of pediatric depression may improve long-term outcomes, but only a minority of youths who meet the criteria for this disorder are diagnosed and treated.​