Metric: Use of ADHD drugs among adults soars

Medco Health Solutions reports that the number of young adults taking attention deficit hyperactivity disorder drugs doubled between 2000 and 2004 while their spending on the drugs quadrupled. "I think this shows a clear recognition and new thinking that treatment for ADHD does not go away for many children after adolescence," Dr. Robert S. Epstein, the company's chief medical officer, told The New York Times. A recent Harvard study concluded that some 4 percent of American adults suffered from symptoms of ADHD.

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