Author Tammi Sweet combines her expertise in herbal medicine and neurobiology in this in-depth guide to understanding the science of how and why cannabis medicine is effective. She explains the physiology of the body's endocannabinoid system and how it is affected by ingesting cannabis, as well as the chemistry of the whole plant. Based on research and her own clinical experiences, Sweet provides instructions for the best preparation techniques and specific dosage recommendations for addressing a wide range of conditions including stress, chronic pain, anxiety, PTSD, insomnia, and more. This book will be extremely valuable to healthcare professionals, practitioners of the healing arts, dispensary workers, and medical cannabis users who want to understand the science of cannabis and its effects on the whole body.