- Health A to Z
Healthline Premium Tools
Advertisement
Marketplace
 |
Radiotherapy is the use of high-energy penetrating radiation(x rays, gamma rays, proton rays, and neutron rays) to kill cancer cells.The primary purpose of radiotherapy is to eliminate or shrink localized cancers. It is also sometimes used to trea...
|
|
Electromagnetic waves of extremely short wavelength(X-rays and gamma rays) and accelerated atomic particles(such as electrons, protons, neutrons, and alpha particles) deposit enough localized energy in an absorbing medium to dislodge electrons fro...
|
|
Radiation and radioisotopes are extensively used medications to allow physicians to image internal structures and processes in vivo(in the living body) with a minimum of invasion to the patient. Higher doses of radiation are also used as means to ...
|
|
Nonionizing radiation, in contrast to ionizing radiation, is electromagnetic radiation that does not have sufficient energy to remove electrons from an atom or molecules to form an ion(or charged particle) during a collision. Instead, it imparts e...
|
|
Ultraviolet radiation(UVR) comprises a spectrum of electromagnetic waves of different wavelengths, subdivided for convenience into three bands, which are measured in nanometers(nm):(1) UVA("black light"), 315 to 400 nm;(2) UVB, 280 to 315 nm; and(...
|
|
What kind of radiation causes thyroid cancer? What about microwave ovens and dental x-rays?
|
|
According to recent reports, the radiation used during a heart stress test can set off security alarms used in buildings and airports.
|
|
My father had a pacemaker implanted five years ago. He wants to purchase a new 5.8 GHz cordless phone. I have heard the cellular phones have had some interference with pacemakers; is this also true of digital cordless phones at this frequency?
|
|
Can radiation treatments for prostate cancer damage the bladder, causing it to bleed 10 years after the radiation?
|
|
Can a breast that has undergone radiation treatment for cancer be biopsied in the future, if necessary?
|
|
Radiation is a way of treating cancer. Radiation uses beams of energy to destroy cancer cells. With each dose, the tumor gets smaller. The cancer cells die and healthy cells take their place. Radiation may be used alone or with chemotherapy, and may be done before or after surgery.
|
Home | About | Health Experts | Careers | Site Map | Feedback | Help | Health Tools | Tell a Friend
Advertise | Terms of Use | Privacy Policy
Advertise | Terms of Use | Privacy Policy
Copyright © 2005 - 2009 Healthline Networks, Inc. All rights reserved.