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on Nuclear Medicine Nuclear medicine is a medical specialty that uses radioactive materials to diagnose and treat diseases. It uses small amounts of radioactive materials called tracers to make pictures of the inside of your body. The most common tracer used in nuclear medicine is a type of radioactive isotope.
    
    In nuclear medicine, the medical team first chooses a tracer that matches the body organ or disease being studied. The tracer might be a radioactive form of a nutrient, such as glucose or thymidine. It might also be a form of a chemical used for imaging, such as technetium. Once the tracer is selected, it is either injected into the body or given orally. The tracer accumulates in the organ or tissue being studied and reveals information about its function and condition.
    
    Once the tracer has accumulated in the organ or tissue, the nuclear medicine specialist uses a special camera called a gamma camera to take pictures. The camera captures the radiation emitted by the tracer and produces images. These images can help diagnose a range of diseases.
    
    The use of tracers also makes it possible to treat diseases with nuclear medicine. For example, the tracer might be a form of radiation that destroys cancer cells while leaving normal cells unharmed. This form of treatment is known as radioactive therapy.
    
    In conclusion, nuclear medicine is a medical specialty that uses radioactive materials to diagnose and treat diseases. It is a safe and non-invasive method for studying the inside of the body and for treating specific diseases such as cancer.