Adult ADHD linked with dopamine levels

Adults with attention-deficit/hyperactivity disorder have a reduced response to the drug Ritalin, U.S. government scientists have found.

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<p><a href="http://www.physorg.com/news105865204.html">Adult ADHD linked with dopamine levels</a></p> <p>Adults with attention-deficit/hyperactivity disorder have a reduced response to the drug Ritalin, U.S. government scientists have found. </p>