Skip navigation

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Results 1 - 10 of 4,422 for rays
  1. X-Rays (National Library of Medicine)  
    X-rays are a type of radiation called electromagnetic waves. X-ray imaging creates pictures of the inside of your body. The images show the parts of your body ...
  2. Radiation Emergencies (National Library of Medicine)  
    Radiation is a type of energy. People are exposed to small amounts of radiation every day from sources such as sunlight. A radiation emergency would involve larger amounts of radiation and ...
  3. Radiation Exposure (National Library of Medicine)  
    What is radiation? Radiation is energy. It travels in the form of energy waves or high-speed particles. Radiation can occur naturally or be man-made. There ...
  4. Radiation Therapy (National Library of Medicine)  
    Radiation therapy is a cancer treatment. It uses high doses of radiation to kill cancer cells and stop them from ... half of all cancer patients receive it. The radiation may be external, from special machines, or internal, ...
  5. When you have radiation treatment for cancer, your body goes through changes. Follow your health care provider's instructions on how to care for ...
  6. Whole breast radiation therapy uses high-powered x-rays to kill breast cancer cells. With this type of directed radiation therapy, ...
  7. Radiation therapy uses high-powered radiation (such as x-rays or gamma rays), particles, or radioactive seeds to kill cancer cells.
  8. When you have radiation treatment for cancer, your body goes through changes. Follow your health care provider's instructions on how to care for ...
  9. When you have radiation treatment for cancer, your body goes through changes. Follow your health care provider's instructions on how to care for ...
  10. Partial breast radiation therapy uses high-powered x-rays to kill breast cancer cells. This type of treatment does not target ... tissue. It is also called accelerated partial breast radiation (APBI). A standard course of whole breast directed ...
previous · 1 · 2 · 3 · 4 · 5 · 6 · 7 · 8 · 9 · 10 · next