Section One is organized by body system. Each chapter contains therapeutic applications or interventions related to the categories in Section Two. This section also includes a discussion of quality and practical issues that conventional health care providers may encounter. 
Section Two presents categories that are the framework for NAC therapies and provides a brief overview for understanding NAC modalities from an organized perspective. The reader is referred to references and websites for information on modalities including cautions, contraindications, side effects, and specific credentialing and regulation of practitioners.