The proposed book is autobiographical in everything that concerns the professional life of the author, a general practitioner with experience in various areas of therapy, a candidate of medical sciences. who has published more than 50 scientific papers. Only some names have been changed. The author shares his vision of the characteristics of the work of a medical school teacher, researcher, and practical doctor. There is a detailed story about the treatment methods adopted at the end of the last century for such common diseases as bronchial asthma, lung abscesses, hypertension in comparison with today's approaches. Many clinical examples and their clinical understanding are given.