Attention Deficit Hyperactivity Disorder (ADHD) was once considered a childhood disorder that would be outgrown but is now recognized as a disease that can persist into adulthood and even for a lifetime. ADHD in Adults is a quick, easy-to-use reference for practitioners providing critical information about ADHD in adults. Written by the leading authority on ADHD, Dr. Barkley discusses causes, assessment and diagnosis, and treatment options with clear explanations. This essential guide features sidebars, definitions, references, and end-of-chapter key concepts review. ADHD in Adults is a must-have resource for every practitioner caring for adults with ADHD.