So it sounded like a crazy question, but if you had a brain tumor you might very well want to stick your head in the beam of a particle accelerator. - Suzie Sheehy

The only problem is [that] the accelerator for this is about 10 times more powerful... than we can currently make. So there's lots of challenges for people like me who design accelerators, to try and come up with ways of making them more and more powerful, for very good reason.

Now the radiation dose that the LHC beam could give you could kill you 76,000 times over, but the radiation dose you'd receive from a beam of say 200 MeV, a relatively modest proton beam, is much lower and can... be used to treat cancer... [W]e use this in... , which we're getting in the UK. We actually did pioneer it and... it hasn't quite come back onto the NHS yet...

The reason the Large Hadron Collider was built was... to... investigate the fundamental constituents of matter...