External-beam radiation therapy (EBRT) is a treatment where radiation beams come from a source outside the body. Usually, it comes from a machine called a linear accelerator (also called a LINAC).

Dr. Horowitz answers the question: 'Different Types of Radiation Therapy?' March 16, 2009 -- Question: Are there different types of radiation treatment for prostate cancer, and what determines which ...

Surprisingly, exposure to a high background radiation might actually lead to clear beneficial health effects in humans, according to Ben-Gurion University of the Negev and Nuclear Research Center ...

Prior to 1896, no one had ever had an X-ray picture taken of a body part. This now-ubiquitous diagnostic tool that lets us see deep inside the body simply hadn’t been invented yet. But just 121 years ...