Radiotherapy Articles

Radiation therapy (also called radiotherapy) is a cancer treatment that uses high doses of radiation to kill cancer cells and shrink tumours. At low doses, radiation is employed in x-rays to ascertain inside your body, like x-rays of your teeth or broken bones. Radiation therapy uses waves of energy, such as light or heat, to treat cancers and other tumours and conditions. The form of radiation utilized in cancer therapy may be a high-energy type referred to as radiation . Radiation therapy may be a sort of cancer treatment that uses beams of intense energy to kill cancer cells. Radiation therapy most frequently uses X-rays, but protons or other sorts of energy can also be used. The term "radiation therapy" most frequently refers to external beam radiotherapy . During this sort of radiation, the high-energy beams come from a machine outside of your body that aims the beams at a particular point on your body. During a special sort of radiation treatment called brachytherapy (brak-e-THER-uh-pee), radiation is placed inside your body. Radiation therapy damages cells by destroying the genetic material that controls how cells grow and divide. While both healthy and cancerous cells are damaged by radiotherapy , the goal of radiotherapy is to destroy as few normal, healthy cells as possible. Normal cells can often repair much of the damage caused by radiation. An article may be a word that's used with a noun to specify grammatical definiteness of the noun, and in some languages extending to volume or numerical scope. The articles in English grammar are the and a/an, and in certain contexts some.