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  1. Radiation therapy - Mayo Clinic

    Jul 2, 2024 · Radiation therapy, also called radiotherapy, is a type of cancer treatment. This treatment uses beams of intense energy to kill cancer cells. Radiation therapy most often uses X-rays. But …

  2. Radiation Therapy for Cancer - NCI

    May 15, 2025 · Radiation therapy is a type of cancer treatment that uses high doses of radiation to kill cancer cells and shrink tumors. Learn about the types of radiation, why side effects happen, which …

  3. Radiation Therapy for Cancer: How Does It Work? - Cleveland Clinic

    Radiation therapy — or radiotherapy — is a common cancer treatment that uses radiation (usually high-powered X-rays) to kill cancer cells. Radiation therapy may be used independently or alongside other …

  4. Radiation Therapy: Purpose, Procedure, Side Effects, and More

    Feb 19, 2025 · Radiation therapy is a cancer treatment that uses concentrated radiation beams to kill cancer cells. Get the facts on why it’s done and what to expect.

  5. Radiation Therapy - American Cancer Society

    What is radiation therapy? Radiation therapy uses high-energy particles or waves, such as x-rays, gamma rays, electron beams, or protons, to destroy or damage cancer cells. It may be used alone or …

  6. Cancer Radiation Therapy: How It Works and The Types - WebMD

    Feb 22, 2025 · That's where radiation therapy can help. It uses high-energy particles to make tiny breaks in the DNA of cancer cells to destroy or damage them, so they can no longer make new copies.

  7. Radiation therapy | Definition, Types, & Side Effects | Britannica

    Oct 21, 2025 · Radiation therapy, the use of ionizing radiation (high-energy radiation that displaces electrons from atoms and molecules) to destroy cancer cells. In addition to treating cancer, radiation …

  8. Radiation Therapy - Johns Hopkins Medicine

    Radiation therapy is a type of cancer treatment. You may also hear it called radiotherapy or therapeutic radiology. Radiation therapy kills cancer cells with beams of high-energy X-rays, gamma rays, or …

  9. Understanding Radiation Therapy: A Guide for Patients and Families

    What is Radiation Therapy? Radiation therapy uses high-energy particles or waves (like X-rays, protons or radioactive materials) to target and destroy cancer cells.

  10. Radiation Therapy: Types of Treatment and How It Works

    Dec 22, 2023 · Radiation therapy (also called radiotherapy) uses targeted energy, including X-rays and radioactive substances, to destroy cancer cells, shrink tumors and/or alleviate certain cancer-related …