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Exclusive: Is ADHD a Medical Myth?

One in every 10 American children are diagnosed with Attention Deficit Hyperactivity Disorder. But one neurologist says ADHD doesn't exist at all. In his upcoming book, "ADHD Does Not Exist: The Truth About Attention Deficit and Hyperactivity Disorder," Dr. Richard Saul explains that ADHD is a collection of symptoms, rather than a disease.