Sometimes it is difficult to imagine what difficult work doctors do when making each diagnosis, when drawing up a treatment regimen for each patient... It happens that smart, experienced, absolutely competent doctors make mistakes. The human factor cannot be ignored. Errors can be caused by fatigue or severe nervous shock. Of course, only another doctor can fully and comprehensively evaluate the work of a doctor, because this requires professional knowledge. But to a certain extent, a literate patient can do this. Of course, it is impossible to fit all medical wisdom, even in a simplified form, into one book. We will consider only the most common chronic diseases and talk about what kind of examination and what treatment should be carried out for them. First of all, in order to evaluate the professionalism and integrity of your doctor, you must understand how thoroughly he examined you and how comprehensive the treatment he prescribed for you. We will talk about what contraindications the most popular drugs have, and what drugs cannot be combined with each other. In short, we will discuss a lot of useful and necessary things. The publishing layout is saved in PDF A4 format.