This document discusses gambling disorder and problem gambling. It notes that gambling disorder is similar to substance use disorders in its clinical expression, brain origins, comorbidities, physiology, and treatment approaches. It provides definitions of gambling from Gamblers Anonymous and others. The document outlines common risk factors for problem and pathological gambling and screening tools. It discusses responsible gambling strategies, dealing with lies from problem gamblers, resources for loved ones, and prevention programs. Videos and resources for addressing gambling and gaming disorders are also referenced.