The episode is an excerpt from a book called The Oxford Handbook of Impulse Control Disorders and explores impulse control disorders (ICDs), including their history, neurobiology, genetics, development, assessment and treatment. The book also highlights the different forms of ICD, such as pathological gambling, kleptomania, trichotillomania, intermittent explosive disorder, compulsive internet use, compulsive shopping and compulsive sexual behaviour. The focus of the book is to understand the multifaceted nature of ICDs and their connection to other mental health conditions, such as mood and substance use disorders.