LARRY MULVEHILL / SCIENCE PHOTO LIBRARY LARRY MULVEHILL / SCIENCE PHOTO LIBRARY
Cancer treatment. View of a woman lying under a particle beam accelerator undergoing cancer treat- ment (radiotherapy). A radiographer is seated bes- ide her and is holding her hand. A particle accelerator produces ionising radiation, which as it passes through the diseased tissue, destroys or slows down the development of abnormal cells. Provided the correct dosage of radiation is given, normal cells suffer little or no long term damage. Radiotherapy may produce some unpleasant side effects such as fatigue, nausea and vomiting.
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