Book excerpt: This book covers a vast range of information regarding nanotherapeutics, including knowledge based on fundamentals, history and progress, applications, practical aspects and examples, and prospects of nanotherapeutics. It includes the fundamentals of nanotherapeutics, including mechanisms and theories behind the phenomena, summarizing various approaches of nanotherapeutics in the field of medicine. By considering the emerging pandemics and other issues regarding public health, the timely need for novel solutions is also described. Features: Provides a comprehensive knowledge on fundamentals, applications, current situations, and ongoing research in nanotherapeutics. Highlights the practical aspects and prospects to enhance the use of nanotherapeutics in the health field. Illustrates the significance of using nanotherapeutics in futuristic life. Discusses sustainable resolutions to issues in public health. Explores the latest implementations and merits of the fields supported by pertinent examples. This book is aimed at undergraduate, graduate students, and researchers in drug delivery, gene and cancer therapy, biomedical engineering, and nanotechnology.