Book excerpt: This book functions as a clinician’s guide to the use of cannabidiol (CBD) in the treatment of mental health conditions. It conveys the scientific evidence of efficacy of CBD as well as THC and addresses the social stigma attached to its medical use. The book describes the endocannabinoid system, how stress and the endocannabinoid system interact and key constituents, pharmacokinetics and safety aspects of medicinal cannabis, focusing on CBD and THC. Chapters on specific mental health conditions describe the underpinning pathomechanisms including how the endocannabinoid system is involved, and summarises the scientific evidence including animal and human research for the use of CBD and THC in treatment of such conditions. Topics covered include anxiety, depression, post-traumatic stress disorder, insomnia, Alzheimer's Disease and autism spectrum disorder. Chapters also discuss treatment guidelines and case studies. Unique and focused, Medicinal Cannabis and CBD in Mental Healthcare is an invaluable reference for medical practitioners seeking to adopt CBD-use in their treatment plans.