This foundational book by Dr. Michael Weber provides a structured introduction to the concepts, principles, and general applications of low-level laser and light-based technologies.. Written for professionals and wellness practitioners, it offers a clear, accessible overview of the theories, methods, and system components commonly used in modern photobiomodulation.

The book organizes key concepts into easy-to-understand chapters that explain how light is used in various wellness and educational contexts, the different wavelengths commonly used in practice, and the rationale behind low-level laser methods. It is designed to help readers understand the foundational science behind light-based modalities without offering medical guidance or treatment instructions.