The book "Age anatomy, physiology and hygiene" by A. A. Chelnokova is a unique and in-depth study that opens the world of the human body to the reader at different age periods. Unlike many other textbooks on anatomy and physiology, this work focuses on the changes that occur in the human body over time, from infancy to old age. This makes the book particularly valuable for medical and educational students, as well as for professionals working in the field of health and education. Chelnokov's book examines the key aspects of anatomy and physiology, as well as their relationship with hygiene at different stages of life. The author shares his knowledge about how age affects physical development, psycho-emotional state and human needs in various conditions. The reader will be able to learn how to properly organize the care of children, adolescents, adults and the elderly, taking into account their physiological characteristics and needs. This book will be of interest not only to professional doctors and teachers, but also to parents who want to better understand how to take care of the health of their children, as well as people seeking self-improvement and a conscious attitude to their body. It will become an indispensable tool for anyone interested in health and hygiene throughout life. The topics covered in the book range from basic anatomy and physiology to practical guidelines on hygienic norms and rules that need to be followed depending on age. Chelnokov shares his observations and conclusions based on many years of experience in the field of medicine, which gives the book special value and credibility. He focuses on the importance of disease prevention and healthy lifestyles, which makes this book relevant in today's society, where health issues are becoming more important. Style A. A. Chelnokova is distinguished by clarity and accessibility of the presentation . It skillfully combines scientific terms with simple and understandable language, which allows the reader to easily assimilate information and apply it in practice. In addition, the author uses many examples and illustrations, which makes the material more visual and interesting. Chelnokov is also known for his other works that touch on the topics of medicine and health, and each of them differs in depth of analysis and practical orientation. The book “Age anatomy, physiology and hygiene” is not just a textbook, but a real find for anyone who wants to understand more deeply how the human body functions at different stages of life. It inspires health care, emphasizes the importance of a conscious approach to one's own body, and builds an understanding of how quality of life can be improved at any age. If you are looking for literature that combines scientific rigor and practical utility, then this work will be a real discovery for you. Do not miss the opportunity to immerse yourself in the fascinating world of age anatomy and physiology with A. A. Chelnokov, and you will discover new horizons in understanding health and hygiene throughout life!