What is nuclear medicine? What is its main content?

Nuclear medicine is a science that studies the application and theory of nuclear technology in medicine.

Nuclear medicine includes basic nuclear medicine and clinical nuclear medicine. Basic nuclear medicine includes radionuclide tracing principle, radionuclide tracing dynamics, in vitro radioanalysis, activation analysis, stable radionuclide analysis, autoradiography and radiopharmaceuticals. Clinical nuclear medicine is to explore the etiology and treatment of diseases by using various principles, techniques and methods of nuclear medicine.