Radioactive sources contain radioactive material of a particular radionuclide (an unstable form of an element emitting radiation), which can vary based on the application for which the source was ...

Most people interpret radiation as a bad thing—but it isn’t always. In fact, radiation is a very normal phenomenon. For now, let’s just say that radiation is when an object produces energy. When a ...

Stay inside to reduce your exposure to radiation. Radiation emergencies may be intentional (e.g., caused by terrorists) or unintentional. Below are some examples of different types of radiation ...

There are several different types of radiation therapy. The type that may be recommended for you depends on a variety of factors, such as your cancer, its stage, and your treatment goals. Radiation ...