One of the chief tools in the traditional Chinese doctor’s toolbox is an understanding of the circadian rhythms that govern all the organ systems of the body. In addition to facilitating early and accurate diagnosis, this “organ clock” lets the practitioner apply therapies to the organ’s meridians when they are at their peak functioning point, thereby eliciting the greatest benefit. In this book the authors have created a simple, yet highly effective self-care treatment system for addressing common health ailments using gemstones and the organ clock.