Rates Of Bipolar Disorder Diagnosis In Youth Rapidly Climbing

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The number of visits to a doctor's office that resulted in a diagnosis of bipolar disorder in children and adolescents has increased by 40 times over the last decade, reported researchers funded in part by the National Institutes of Health (NIH). Over the same time period, the number of visits by adults resulting in a bipolar disorder diagnosis almost doubled. The cause of these increases is unclear. Medication prescription patterns for the two groups were similar. The study was published in the September 2007 issue of the Archives of General Psychiatry.

Mark Olfson, M.D., M.P.H., of New York State Psychiatric Institute of Columbia University, along with National Institute of Mental Health (NIMH) researcher Gonzalo Laje, M.D., and their colleagues examined 10 years of data from the National Ambulatory Medical Care Survey (NAMCS), an annual, nationwide survey of visits to doctors� offices over a one-week period, conducted by the National Center for Health Statistics. The researchers estimated that in the United States from 1994

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