Oct. 16, 2010 -- WASHINGTON (AFP) -- Around half of U.S. teens meet the criteria for a mental disorder and nearly one in four report having a mood, behavior or anxiety disorder that interferes with daily life, American researchers say.
Fifty-one percent of boys and 49 percent of girls aged 13-19 have a mood, behavior, anxiety or substance use disorder, according to the study published in the Journal of the American Academy of Child and Adolescent Psychiatry.
In 22.2 percent of teens, the disorder was so severe it impaired their daily activities and caused great distress, says the study led by Kathleen Merikangas of the National Institutes of Mental Health (NIMH).
"The prevalence of severe emotional and behavior disorders is even higher than the most frequent major physical conditions in adolescence, including asthma or diabetes," the study says.
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