Children and Adults with Attention Deficit/Hyperactivity Disorder (CHADD) is a national advocacy organization for individuals affected by ADHD. CHADD organizes local chapters for information and support.
National Alliance for the Mentally Ill (NAMI) is a national advocacy organization for those affected by mental illness in our country. NAMI provides general information and support opportunities for many mental illnesses. This link provides a fact sheet for ADHD.
National Institute of Mental Health held a consensus conference on Attention-Deficit/Hyperactivity Disorder in November, 1998. Searching this site, you will find the consensus statement that came from the meeting.
The U.S. Department of Education, Office of Special Education Programs, co-sponsored the Centers for Disease Control and Prevention conference on ADHD. This site will provide information on educational policy and research related to ADHD.