ELi5: What does medical radiation do to the body?

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I have breast cancer and I’m starting radiation tomorrow. I understand that it’s supposed to reduce the risk of reoccurrence and that it is destroying cells. But how? Which cells are affected? Why will it make me tired?

In: Biology

18 Answers

Anonymous 0 Comments

I have had radiation therapy for prostate cancer – they used a radiotherapy machine that rotated as it sent a very narrow beam through me. The only bit that got continuous radiation was my prostate, everything else got a much-reduced dose.

It does knock you back, that can’t be denied. But play attention to what your medical advisors tell you regarding diet, exercise, medicine, etc. Don’t neglect anything, just do what they recommend. They’ve seen so many cases like yours and have a very good idea of what helps recovery.

Very best wishes for the future.

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