Categories October Surprise 2016 Radiation Therapy for Cancer – NCI Post author By Mike Nova Post date February 22, 2026 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 ones you might have, and more. ← 6PM ET 02/22/2026 Newscast → NPR News: 02-22-2026 5PM EST