What is the difference between radiography and radiation therapy?

I am a college student looking to go into radiation therapy in Ohio. I see all of these programs titled radiography or radiation tech, but it doesn't sound like radiation therapy. Any help? Also, if you know of any schools for radiation therapy in Ohio?

Thank you!What is the difference between radiography and radiation therapy?
Radiography is making of an imaging using ionizing radiation (x Ray) R therapy uses ionizing radiation to change tissue as a primary goal. Like to distroy a tumor. A rad tech takes x ray filmss, C-T scans and with special training may include MRI exams. Although MR does not use ionizing radiation.

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