Attention deficit hyperactivity disorder is a disorder found in children between the age of six months to twelve years. It includes problems such as paying attention, hyperactivity, difficulty in controlling behavior, etc. Genetics and environmental factors play an important role in developing ADHD. This book provides significant information of this topic to help develop a good understanding of ADHD and related topics. A number of latest researches have been included to keep the readers up-to-date with the treatment and management strategies related to attention deficit hyperactivity disorder.