Studies estimating cancer risk from CT radiation use data from different people exposed to different radiation (like atomic ...

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 ...

Radiation therapy works by using high-energy X-rays to kill cancer cells. MSK offers precise radiation therapy that kills throat cancer cells with fewer side effects from radiatio ...

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 ...

Brachytherapy is a type of radiation therapy. It involves placing radioactive material inside or near a tumor to destroy cancer cells. The procedure has some benefits over other radiation techniques ...

A new map offers a new perspective on the city, revealing the steady, ever-present natural radiation emerging from the ground ...

Evidence to date finds that the type of radiation you get from your phone isn't likely to increase risk of brain cancer. We asked a cancer expert to put tech's health impacts into context. Jessica was ...