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Radiotherapy uses high energy radiation in a very controlled way to treat cancer and other diseases of the body. Radiation works by damaging the DNA inside cells causing them to stop reproducing and die. Abnormal cancer cells are more sensitive to radiation because they divide more quickly than normal cells. Over time, the abnormal cells die and the tumor shrinks. Normal cells can also be damaged by radiation, but they can repair themselves more effectively, just like your skin heals after sunburn.

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The main goal of radiation therapy is to maximize the radiation dose delivered to abnormal cells, such as cancer cells, while minimizing the dose received by normal cells surrounding them. This minimizes the chance of any side effects. The effects of ionizing radiation are not instant; the treatment benefit occurs over time. Typically, more aggressive tumors, whose cells divide rapidly, respond more quickly to radiation. Radiation therapy is painless treatment option and will not make patients radioactive.

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Radiation is often given with the intent of destroying tumors and curing the diseases. However, not all cancer can be cured with radiation. Sometimes radiation is used to relieve symptoms, such as pain. or it is used to prevent tumors from developing or spreading. It may be used alone or in combination with other treatments such as surgery or chemotherapy. If used before surgery, it will shrink the tumor to make it easier to remove. And, if used after surgery, it will destroy tumor cells that may have been left behind.

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Cancer, It affects millions of people every year.  And sadly, prematurely takes the lives of thousand. But exactly how does cancer kill people? What is it in cancer that makes it fatal?   Just to recap, a cancer cell is...
Just like many other medical procedures, patients receiving radiotherapy may have some side effects.  The severity of which greatly depends on the person receiving radiation therapy. Be assured that radiotherapy departments actively try to minimize the chances of side effects...
  So you or someone you know needs to have radiotherapy, but you don’t know what will be involved. Or you were overwhelmed with information when the radiotherapy process was explained to you.   This happens quite often, patients are...
Radiation- it can be dangerous in high doses. And when treating cancer patients the doses are high. So does the radiation cause more harm than good for cancer patients. And if so, why are doctors still using Radiation?   Radiation...
Radiotherapy is not a simple process. It is not as easy as just exposing someone to a field of radiation. And then we’re done!   It is a  complex process, which needs to achieve accuracy to within sub millimeter tolerances,...
Often we get questions regarding radiation, weather it is through this website, or in person. It is great that people want to know more about radiation, and it also shows that sometimes the public is misinformed on certain subjects. All...
The question whether microwaves put radiation into our foods is common. This is a little off topic compared to what we usually write about. Nevertheless it needs to be answered.   Microwaves, or microwave ovens as some people would call...