Radiation therapy is an important part of treatment for all stages of esophageal cancer. It is usually combined with chemotherapy. Radiation therapy involves using radiation to destroy cancer cells.

In this lesson, students will investigate the nature of radioactivity and the effect of both distance and shielding materials on different radioactive sources using a Geiger-Muller tube with a counter ...

Doctors may use radiation therapy to treat benign tumors. Radiation can shrink and eliminate benign growths without doctors having to perform surgery. Benign tumors are noncancerous growths that can ...

The type of radioactivity that I often speak about with Alaska residents comes from a naturally occurring substance, radon gas. And though radon’s alpha radiation comes from buried uranium, the main ...

Radiopharmaceuticals are drugs that contain, among other ingredients, radioactive forms of chemical elements called radioisotopes. Depending on the type of radiation that those radioisotopes produce, ...