May 20, 2003 marked the official opening of the Children and Adults with Attention-Deficit/Hyperactivity Disorder’s (CHADD) National Resource Center (NRC) on AD/HD, the country’s first and only national clearinghouse dedicated to the evidence-based science and treatment of AD/HD. The clearinghouse is a collaboration between the CDC and CHADD, an advocacy organization serving individuals with AD/HD…

National Resource Center website, http://www.help4adhd.org has a toll-free number (800-233-4050).The Website answers many of your questions about AD/HD and directs you to other reliable sources online. New material is regularly being added. If you don’t find the answers you are looking for, you can click on Ask a question about AD/HD, found on every page of this site. Your question will be directed to one of the knowledgeable Health Information Specialist for a response.