"Fat and Blood: An Essay on the Treatment of Certain Forms of Neurosthenia and Hysteria" is the work of the eminent American physician and writer Silas Weir Mitchell, which represents an interesting scientific view of the problem of treating neurological diseases. In this book, the author examines the relationship between the physical and mental state of the patient, considers the means of treating neurosthenia and hysteria. The book "Fat and Blood" is an important source for understanding psychosomatic diseases and their treatment methods, helping both doctors and patients to better understand the nature of these diseases.