Charged-particle radiation therapy is a type of external radiation therapy that uses a particle accelerator to fire high-energy particles (such as protons or carbon nuclei[1]) that kill cancer cells. This method causes less damage to nearby healthy tissue than traditional radiation therapy with high-energy X-rays due to the Bragg Peak effect.
This article incorporates public domain material from the U.S. National Cancer Institute document "Dictionary of Cancer Terms". http://www.ptcri.ox.ac.uk/about/
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