<unk>  is the branch and specialty of medicine concerning the diagnosis and nonsurgical treatment of diseases in adults, especially of<unk>  organs.  Doctors of<unk> , also called "internists",  are required to have included in their medical schooling and postgraduate training at least three years dedicated to learning how to prevent, diagnose, and treat diseases that affect adults. Internists are sometimes referred to as the "doctor's doctor," because they are often called upon to act as consultants to other physicians to help solve puzzling diagnostic problems. While the name<unk> " may lead one to believe that internists only treat<unk> " problems, this is not the case. Doctors of<unk>  treat the whole person, not just<unk>  organs. According to the American Medical Association, specialists of<unk>  earn between $175,000 to $350,000 per year.
Internal medicine
Medicine
Medic
Oncology
Emergency medicine
Rheumatology
Hematology
Neuroscience