Book excerpt: This book provides the first comprehensive overview of the emerging field of interdisciplinary salivary bioscience. It serves as a foundational reference guide to the collection, analysis, and interpretation of salivary data, as well as its myriad applications in medicine, surveillance and public health. The ease and non-invasive nature of saliva collection makes it highly useful in diverse fields such as pediatrics, dentistry, neuroscience, psychology, animal welfare and precision medicine. This book introduces students and scientists alike to the vast potential of salivary bioscience in both research and practice.