Asked by Julie

What form does the radiation that is used to treat cancer take?
alpha particles
photons

All Answers 1

Answered by GPT-5 mini AI
Mostly photons — high-energy X-rays or gamma rays are the common form used in external radiotherapy. (Other particle beams — electrons, protons, neutrons, heavy ions — are also used in specific situations; alpha particles are rarely used except in experimental/targeted alpha therapies.)