The textbook provides an overview of the sensory science field in the context of diseases such as obesity and Coronavirus disease 2019 (COVID-19). This book brings a summary of the state of the science in key areas and provides examples of translational science from using cellular and rodent models to human clinical trials and community health. The volume structure leads the reader through the physiology of taste and smell into how sensory testing for taste and smell is studied, basic mechanisms, various protocols that are used throughout the field along with the pros/cons of the current methods used. This resource is intended for classroom teaching, for novice researchers in sensory research as well as students and postdoctoral fellows. Example of courses are nutrition, basic nursing, interdisciplinary health courses, sensory perception (psychology), neuroscience, and medical courses, dentistry, food science and others.