The study undertaken here has the bold intention of being both historical and critical insofar as it is concerned with establishing the conditions of possibility of medical experience as it is known in the modern era. This book is not written in favor of one medicine against another. the other, especially not against medicine and for abandoning it. It is a study that attempts to isolate historical conditions from discourse. What people say takes into account not only what they might think about things, but also what brings them into the system from the very beginning, making them subsequently endlessly open to new discourses and the tasks of their transformation... The book will be interesting psychologists, psychotherapists, philosophers, historians, sociologists and cultural experts, not only thematically, but also as an example of brilliant humanitarian research.