The book "Comprehension of lectures on the discipline "Fundamentals of biochemistry and toxicology" by B. A. Levdansky is a unique educational material that will become an indispensable assistant for students, graduate students and anyone interested in biochemistry and toxicology. This summary not only retells lectures, but deeply immerses itself in the essence of the subject, making complex concepts accessible and understandable. The main purpose of the book is to provide the reader with a clear and systematic view of biochemistry and toxicology, two disciplines that play a key role in understanding the processes occurring in living organisms and their interaction with the environment. In. A. Levdanskaya, having a rich experience of teaching and scientific work, created a text that is not only informative, but also fascinating. Each topic is presented with clear explanations, examples and illustrations, which allows the reader not only to absorb the material, but also to apply it in practice. The book covers a wide range of topics, from the basics of biochemical processes, such as the metabolism of carbohydrates, proteins and fats, to more complex topics related to toxicology, including the mechanisms of action of toxins and their effects on the body. Levdanskaya skillfully connects the theory with practical aspects, which makes the material especially valuable for students of medical and biological specialties, as well as for professionals working in the field of ecology and health care. This book will be of interest not only to students, but also to teachers, researchers and anyone who wants to better understand biochemical processes and their impact on human health and the environment. It will be a great help for those who are preparing for exams, coursework or research. In it you will find not only theoretical knowledge, but also practical recommendations that will help in further study and professional activities. The topics raised in the book are relevant and important, especially in light of current challenges related to the environment and public health. Understanding of biochemical and toxicological processes is necessary to develop new methods of diagnosing and treating diseases, as well as to assess the risks associated with exposure to chemicals on the body. Levdanskaya focuses on the need for an interdisciplinary approach, which makes her work especially valuable in the context of modern scientific research. The author's style is distinguished by clarity and logical presentation, which makes reading easy and exciting. Levdanskaya uses many examples from real practice, which helps the reader to better assimilate the material and see its application in life. This lecture summary will become not only a textbook, but also a reference book for all who seek a deep understanding of biochemistry and toxicology. If you are looking for a high-quality and affordable textbook on biochemistry and toxicology, "Comprehension of lectures on the discipline "Fundamentals of biochemistry and toxicology" B. A. The leftovers are exactly what you need. Do not miss the opportunity to expand your knowledge and deepen your understanding of these important sciences that are of great importance for human health and the sustainable development of society.