This book is an unbiased scientific compendium documenting the state-of-the-art in the etiology, diagnosis and treatment of Cannabis Use Disorders (CUD). Unlike any other current medical text, this volume focuses on the scientific aspects of CUDs and provides a resource for researchers, physicians and other health care providers who treat patients suffering from the disorder or its consequences. It begins by establishing the landscape of the disorder, including its prevalence, association with disabilities and comorbidities, and frequency of patients seeking treatment. The text delves into the complexity of the disorder in today's environment by including the discoveries on the nature and extent of the endocannabinoid system as well as potential breakthroughs in safe and effective pharmacological and nonpharmacological treatments. Experts in the field contribute discussions on the most cutting-edge diagnostic and biological topics, including genetics, medical consequences, and clinical manifestations. The text also covers the challenges and risks presented by external factors, including social repercussions, protective factors, psychiatric comorbidities, withdrawal, and treatment services. This title is a vital resource for researchers, psychiatrists, psychologists, addiction medicine specialists, toxicologists, hospital administrators, nurses, social workers, and all health care professionals working with patients who misuse cannabis.