Doctor is an academic degree, awarded by a university or similar institution.
"Doctor" may be used to refer to a person with a doctorate.
To get the degree, people need to pass a doctorate exam, or write a thesis or dissertation. The requirements vary according to the subject-matter.
There are three levels of university qualification:
Depending on the country, there are cases where people get what is called a professional doctorate. This is mostly the case in law, and in medicine. A professional doctorate is comparable to a master's degree.
People who have a doctor's degree may use the title "doctor", though in practice it is often used only by medical doctors. Medical doctors examine, diagnose and treat patients. They can specialize in a number of medical areas, such as pediatrics, anesthesiology or cardiology, or they can work as general practice physicians. Becoming a medical doctor requires a doctoral degree in medicine and participating in clinical training. Medical doctors need a licence, and certification may also be required for many specialists.
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